玻璃珠柱法

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(115) / 评论(0) 分类 TED演讲教育篇

Exercise 8-4: Bit or Beat? Bid or Bead? Read each column down. Next, contrast the single and double tense vowels with each other; and the single and double lax vowels with each other. Finally read all four across. Tense Vowels beat seat heat Pete fee

发表于:2018-12-27 / 阅读(100) / 评论(0) 分类 美式英语正音训练

Boys just____ for the____ of it but girls will not waste___ on competition unless it pays. A Canadian study has___. Rose and Roy from the Gill University in Montreal and her colleagues got forty groups of four boys and four girls aged five to six or

发表于:2018-12-30 / 阅读(204) / 评论(0) 分类 听听测测

bead, [bi:d] n 珠子,水珠,准星 【例】She wore a string of beads 她挂了一串珠子。 有孔小珠; 念珠 水珠; 水泡 算盘; (枪的)准星 【建】凸圆线脚, 串珠线脚 【机】卷边; 车轮圆缘 焊珠, 焊蚕, 焊缝; 叠

发表于:2018-12-30 / 阅读(109) / 评论(0) 分类 不择手段背单词

When Jack bowed to someone, he always did it at lightening speed. You shouldn't wait any longer after he has had his head nod. So he was blamed for no manners. Then some warmhearted men taught him,

发表于:2019-01-03 / 阅读(228) / 评论(0) 分类 英汉幽默故事选读

NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer, this is 6 Minute English and thanks to Alice for joining me today. Alice: Hi Yvonne. Yvonne: Hello Alice. Now recently, an artefact - a very old piece of art - which many hi

发表于:2019-01-07 / 阅读(151) / 评论(0) 分类 六分钟英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(十一)月

1. The United Arab Emirates-based company that was sent to take over port operations in 6 major U. S. ports has agreed to a broader review before taking over operations. The move comes amid concerns f

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 美联社新闻一分钟2006

The 36-year-old bachelor ate his usual lunch at home. He had an apple, a ham sandwich with a sliced dill pickle, a bowl of chicken noodle soup with a couple of soda crackers, and a small candy bar, all washed down with an eight-ounce glass of milk. A

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 365个英语简短小故事

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. Beadwork has a long history as an art form practiced by American Indians and other cultures around the world. Today millions of people e

发表于:2019-01-09 / 阅读(123) / 评论(0) 分类 VOA慢速英语2009年(五)月

追寻彩虹 After the rain of the sky, quiet, fragrant, with a delighted Jiejing vegetation. In the distance, I do not know what the earth a place, saw there a beautiful rainbow painted a beautiful arch, dazzling in the thin air. A b

发表于:2019-01-11 / 阅读(149) / 评论(0) 分类 阅读空间

US Bead Parties Boost Ugandan Women Its party time for Madison Blandford and three dozen of her girlfriends. The 11-year-old invited her classmates and neighbors to see - and buy - beaded jewelry made by women in Uganda. My grandma got me a bracelet,

发表于:2019-01-13 / 阅读(134) / 评论(0) 分类 VOA标准英语2012年(七月)

MICHEL MARTIN, HOST: Let's take a poetry break now with a few more of your Twitter poems. It's a beautiful day here in Washington, D.C., so a good time to hear a few reflections on springtime and nature, like this one from Mark Holoweiko in Michigan.

发表于:2019-01-17 / 阅读(97) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Glass is made chiefly of fine white sand or silica melted in a furnace. To make the sand melt easily, we must mix with it some soda, some chalk or lime, and a small quantity of broken glass. 玻璃主要由细致的白沙或硅石在熔炉中炼成。为

发表于:2019-01-17 / 阅读(90) / 评论(0) 分类 英国学生科学读本

Oh, my god. 天哪 It's beautiful. 这真是太美了 Every bead represents a wish or a good thought... 每一颗珠子都代表一个祝福或是一份关心... or a piece of advice... 或是一个建议 so that when you go into labor, 这样你在分

发表于:2019-01-29 / 阅读(132) / 评论(0) 分类 陨落星辰第一季

Here you go, ladies. Enjoy the extra tips from your credit cards, 拿去吧,姑娘们。享受从刷卡的客人身上捞来额外小费吧, because when Han flips that switch, 因为阿憨一旦按下那个改朝换代的按钮 the only tip I ca

发表于:2019-01-29 / 阅读(130) / 评论(0) 分类 打工姐妹花第二季

杏眼:almond-shaped 小而亮的眼睛:beadlike 美丽的:beautiful 大的:big/large 明亮的:bright 眼珠突出的:bulging 离的很近的:close-set 深陷的:deep-socketed/deep-sunken 水灵灵

发表于:2019-02-04 / 阅读(122) / 评论(0) 分类 英文语法词汇

Todd: Adrienne you have such interesting jewelry. I mean, it's just amazing. Where did you get all this stuff? Adrienne: Well, all over actually. I like to travel. I tend to travel a lot as does most of my family, so whenever I travel somewhere I lik

发表于:2019-02-07 / 阅读(100) / 评论(0) 分类 原版英语对话1000个

The hydrogen atoms cling fiercely to their oxygen host, but also make casual bonds with other water molecules. 氢原子死死地抓住其主子氧原子不放,而且与别的水分子的黏合也很随便。 The nature of a water molecule means th

发表于:2019-02-25 / 阅读(121) / 评论(0) 分类 万物简史

Todd: Adrienne you have such interesting jewelry. I mean, it's just amazing. Where did you get all this stuff? Adrienne: Well, all over actually. I like to travel. I tend to travel a lot as does most of my family, so whenever I travel somewhere I lik

发表于:2019-03-06 / 阅读(168) / 评论(0) 分类 英语趣味课堂
学英语单词
-oses
added weight
antiroom
archbishop
balance of body
be-gift
bidCAP
blow dryer,blow-dryer
Blymphocyte receptor
boast oneself of
bogie arm
break oneself of the habit of
brocklebank
cedar-tree
chickell
chiefries
churchyard
co-opts
coeruleum thymolis
collapsible drogue
colour fastness to light
common allamandas
compiler-generated call
convective condesation level
cross cr.
destination node address
easement of light
edible bananas
edvard munches
epilepsia majors
essential commodity
events as frbr group 3 entity
geekfest
grossamide
heat-of-absorption
historical trend
hull projection
hypogastria
Ibert, Jacques
idlebrook
IMBLMS
implicit transaction
ISR (information storage and retrieval)
kievite
lifting grab
lupetidine
macromolecularly
make life
makes after
market for individual firm
micoheptin
microprism
middle-income
mineralizes
monoalkyl arsine
morikami
Na Liu
Needham Market
newel posts
nicelings
normal sulfate
nuclear scale
Ophiceras
optical amplifier modules
orthodox economy
overlink
painlessness
pinch holt
poikilogranoblastic
polyascous
pseudo-vector
qingkailing injections
RAEM
rat mite
reemed
regioselectivity
screw base lamp holder
SCTC
shit beetle
snubber
stereoscanning
Strazhitsa
sulcus of sclera
supergage
suspire
sweet singer
swot at
tape-recorded speech
thelypteris uraiensis
tigrolysis
tilletia foetidas
transparent structure
tricussate
ultrasonic surgery
ultraviolet telescope
underexpanded jet
underthrust belt
unrecovered cost
vermiform larvae
volcanic sediment
weft wadded double cloth
winding-up of partnership