球状构造

[00:00.00]Vienna n. [00:00.69]维也纳 [00:01.38]expect vt. [00:02.17]盼望 [00:02.95]stage n. vt. [00:03.41]阶段 上演 [00:03.87]scheduled a. [00:04.45]预定的 [00:05.04]contract vt. n. [00:05.83]承包 合同 [00:06.61]foundation n. [00:07.3

发表于:2018-12-05 / 阅读(494) / 评论(0) 分类 工商管理英语

UNIT ELEVEN [00:11.28]She goes to work by bus.Tony is writing a letter to his pen-friend. [00:22.75]He is answering his pen-friend's questions. [00:29.52]2 Octber 1995 Dear David, [00:39.44]Thank you for you letter.Here are the answers to your questi

发表于:2018-12-13 / 阅读(483) / 评论(0) 分类 小学综合英语3A

UNIT FOUR [00:03.21]Can I have a bowl of soup?Picture 1. [00:12.41]Peter,Tony and Jenny are playing waiters.Peter is the waiter. [00:23.93]Tony and Jenny are ordering their food.Picture 2. [00:35.71]Can I have a bowl of soup,please?No,I'm sorry. [00:

发表于:2018-12-13 / 阅读(505) / 评论(0) 分类 小学综合英语3A

UNIT SIX [00:12.49]Birthday presents Picture 1. [00:19.36]What do you want for your birthday,Mum? Oh,I don't know,dear.Picture 2. [00:34.77]Do you want any cakes? No,thank you,dear.Picture 3. [00:49.14]Do you want any flowers? No,thank you,dear.Pictu

发表于:2018-12-13 / 阅读(601) / 评论(0) 分类 小学综合英语3A

UNIT SEVEN [00:14.79]Which one do you want?Picture 1. [00:22.94]Can I have an apples? I like apples. Yes,of course.Picture 2. [00:38.77]Which apple do you want?The big one,please. [00:46.52]I don't want the small one. Gogo!You're greedy!Picture 3. [0

发表于:2018-12-13 / 阅读(542) / 评论(0) 分类 小学综合英语3A

UNTI TWELVE [00:04.28]What am I?Picture 1. [00:11.86]Tony and Lily are playing'What am I?'Are you young or old? [00:24.92]I'm young.Picture 2. [00:33.46]Have you got hair or feathers? I've got feathers.Picture 3. [00:46.99]Can you run or fly? I can r

发表于:2018-12-13 / 阅读(537) / 评论(0) 分类 小学综合英语3A

UNIT NINE [00:07.78]Lily and Susie go to school every day.Picture 1. [00:19.64]Lily and Susie go to school every day.They are in the same class. [00:31.43]They sit together every day.Picture 2. [00:41.87]It is eight fifteen.Lily and Susie are having

发表于:2018-12-13 / 阅读(537) / 评论(0) 分类 小学综合英语3A

UNIT TWO [00:12.20]Gogo can fly.Picture 1. [00:20.24]What can Gogo do,Tony? I don't know.Picture 2. [00:32.63]What can you do,Gogo? I can dance.Picture 3. [00:45.56]That's very good,Gogo. Can he sing?Picture 4. [00:57.94]Can you sing,Gogo? Yes,I can.

发表于:2018-12-13 / 阅读(572) / 评论(0) 分类 小学综合英语3A

Unit 1 [00:27.95]The donkey and the pekinese [00:32.71]There was a merchant who had a Pekinese dog. [00:37.98]It was like a toy. [00:41.14]The Dekinese lived in the merchant's house, [00:45.90]slept on his bed, sat on his lap and lived an easy life.

发表于:2018-12-13 / 阅读(594) / 评论(0) 分类 小学综合英语6A

Unit 13 [00:39.58]The farmer and the fox [00:43.52]There was a rich farmer who owned many fields. [00:49.08]He also kept ducks and hens. [00:53.76]They gave him eggs and sometimes he ate one for his dinner. [01:00.60]One night in winter a fox came to

发表于:2018-12-13 / 阅读(524) / 评论(0) 分类 小学综合英语6A

UNIT TEN [00:18.49]Ten apples.Picture 1. [00:25.76]A B C STORE.Picture 2. [00:34.53]One carrot.Picture 3. [00:42.55]Two lemonsPicture 4. [00:52.19]Three bananas. Picture 5. [01:00.73]Four sweets.Picture 6. [01:11.97]Five eggs.Picture 7. [01:22.13]Six

发表于:2018-12-13 / 阅读(549) / 评论(0) 分类 小学综合英语1A

Unit 11 [00:43.70]The school bag [00:47.18]Last monday,Peter,Patsy John and Annie were at the bus stop. [00:55.93]A bus arrived. One of the boys picked up Annie's school bag. [01:07.76]'Hey!Annie said.'That bag is mine.' [01:14.14]'No,it isn't,'the b

发表于:2018-12-13 / 阅读(544) / 评论(0) 分类 小学综合英语4A

Unit 5 [00:49.32]Treasure hunt [00:53.47]Last Sunday,Jane took the children on a picnic. [01:00.24]-Shall we have a trea-sure hunt? [01:03.79]-Oh,yes! Jane hid some coins and drew a map. [01:10.95]She gave the children the map and a set of clues. [01

发表于:2018-12-13 / 阅读(495) / 评论(0) 分类 小学综合英语4A

Unit 9 [00:54.62]Sharing [00:57.86]The children played at Peter's flat last Sunday. [01:04.42]At 4 o'clock they were hungry.They wanted some food. [01:11.78]'We can put all our money together and then share it,'Annie said. [01:19.65]'No,we can spend

发表于:2018-12-13 / 阅读(509) / 评论(0) 分类 小学综合英语4A

Unit 13 [00:46.21]A holiday [00:49.16]'Tomorrow is a holiday John said to the Busy Bees. [00:55.82]'What are we going to do? [00:59.17]'I'm going to get up late,'Annie said.'I'm going to stay in bed all morning.' [01:07.03]'I'm not going to spend my

发表于:2018-12-13 / 阅读(507) / 评论(0) 分类 小学综合英语4A

Uint 2 [00:46.18]The lost pures [00:49.53]One afternoon Jane took the children out. [00:55.09]They went to the cinema and a supermarket. Then Jane said, [01:02.75]'It's time to go home.'She took the children to the MTR station. [01:10.61]She felt in

发表于:2018-12-13 / 阅读(662) / 评论(0) 分类 新路径小学英语六年级下册(一起)

We are traveling upwards away from our solar system, out of the spiral arms of the Milky Way. In front of us, lie vast clusters of stars, satellite groups that orbit the heart of our galaxy. These are globular clusters, over 150 have been discovered.

发表于:2019-01-22 / 阅读(334) / 评论(0) 分类 自然百科2011年

Measuring the brightnesses and colors of the stars in the globular cluster, we can figure out how old they are. Here is the remarkable thing: they are very old. Globular clusters, at least the stars in the globular clusters, in many cases, are almost

发表于:2019-01-22 / 阅读(336) / 评论(0) 分类 自然百科2011年

One of the puzzles about our galaxy is that we know that it's had stars forming continuously for about the last ten billion years. But at the rate/ it's eating up its gas now, it's forming new stars, it should burn out that gas soon, should run out o

发表于:2019-01-22 / 阅读(324) / 评论(0) 分类 自然百科2011年

But if you look carefully, stars aren't spread smoothly across the whole sky. They are gathered together into a band that loops around the sky which we call the Milky Way. That bright strip across the sky with its extraordinary abundance of stars and

发表于:2019-01-23 / 阅读(347) / 评论(0) 分类 探索与发现2013年
学英语单词
a roof over your head
acid ethylphosphite
anal erotic
anterior pharynx
anterior preputial muscles (or anterior protractors)
antidetonanting fluid
antitemporal
apologize to sb for sth
atlodidymus
base condition
blake pulley
blind sac
boyle-mariotte law
burn of breast
cant bay window
Chain taut!
choil
cohune-nut oil
communications switches
coronary suction device
covered karst
crankcase oil
current luminous flux characteristic
dasart
delimitation
di-pimethane rearrangement
digital footprint
docufantasy
drifter with independent rotation
end-to-end method indicator
enswathed
fast ice
faulted bedding plane
Feigenbaum scaling law
fixed-point implementation
foveating
framestore
giust
heisenberg certainty principle
hellgramite
IAP
impact lateral deviation
ionized molecule
Jewish Theological Seminary of America
lead-through
liquidoperated
log sheet
Lophiodonidae
malignant melanoma of bone
mccombie
mean squared spectral density
merceya ligulata (spruce) schimp.
meta-salts
mini-malls
Morie fringe
naval forcess
non-dynamic collection buffer
normal law of composition
oblique ligament
Oostakker
operational assistance
Order Book Official
outdoor type bushing
overcrows
PCMI (photochromatic micro-image)
Penthonium
philips curve
physiological balance solution
plasmon excitation
Poghdar
poly ion
prescott valley
pulse distribution amplifier
PVBP
question sb on sth
radiofluorescence
Rapa Nui
repear
resistance weld mill
rogatin
Saxonic
sneezings
soldering coal
split key
standard of damage
stud fixed manhole cover
sublimable dyes
sumacetamol
tabal
TAI-284
take no heed
to begin
trend fitting
tuberculous pleural effusion
ulexites
unflanged
user microprogrammability
Viscum multinerve
vomiting of pregnancy
weapons - grade uranium
wind-turbine
zirconium electrolysis cell