助细胞

synergids的用法和样例:

例句

  1. Early division phase embryos may use metabolites provided by the suspensor, persistent and degenerating synergids.早期分裂时期的胚可以利用胚柄,宿存和退化中的助细胞所提供的代谢物。
  2. Vacuoles in the synergids tended to concentrate mainly in the chalazal region.There was a peak period of lipid formation in the two synergids.三是助细胞与珠心相接胚囊壁有些部位出现十分明显的突起,个别突起内有大型嗜锇体。

A: We made it! B: Great! There so much I want to play on. A: What do you want to do first? B: Lets go down the slide. A: Make sure youre careful. B: This is great! A: Howd you like the slide? B: The slide was so much fun. A: What would you like to do

发表于:2018-12-02 / 阅读(116) / 评论(0) 分类 英语情景对话-邻居

A: Were here! B: I want to go play! A: What do you want to do first? B: I want to go down the slide. A: Dont run, and be careful. B: I will. This is so much fun. A: Did you enjoy the slide? B: Yes. It was great. I went so fast. A: What else do you wa

发表于:2018-12-02 / 阅读(112) / 评论(0) 分类 英语情景对话-邻居

A: Here we are! B: Hurray! We finally made it to the park. A: What do you want to play on first? B: I want to go on the slide. A: All right, but be careful. B: Im having so much fun. A: Did you like the slide? B: I slid down it fast. A: Now what do y

发表于:2018-12-02 / 阅读(113) / 评论(0) 分类 英语情景对话-邻居

By Gilbert da Costa Abuja 30 April 2008 Nigeria, Africa's biggest importer of rice, plans to buy 500,000 tons of rice amid a global grain shortage. Gilbert da Costa reports for VOA from Abuja the purchase was approved during a meeting of President Um

发表于:2018-12-08 / 阅读(61) / 评论(0) 分类 VOA常速英语2008年(四月)

The Pyramids in Cairo are my favourite buildings in the whole world. I knew all about them when I was very young. They have always fascinated me. They really are one of the worlds wonders. People still dont know how they were built. I think they are

发表于:2018-12-26 / 阅读(75) / 评论(0) 分类 纯正英语一分钟

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(73) / 评论(0) 分类 英文魔法师字源大挪移

Bergara extends Real Sociedad deal MADRID, Oct. 11 (Xinhua) -- Real Sociedad confirmed an agreement to keep midfielder Markel Bergara at the club for the further three seasons on Thursday. The 26-year-old product of the club's youth system has made 8

发表于:2019-01-07 / 阅读(122) / 评论(0) 分类 英语新闻

According to UNAIDS(联合国艾滋病规划署)estimates there were 38.6 million adults and 3.2 million children living with HIV at the end of 2002, and during the year 5 million new people became infected with the virus. Around half of all peop

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 阅读空间

苹果iphone精灵广告歌:Eberg - Inside Your Head Eberg是冰岛歌手,经常被拿来与Belle Sabastian 和 Sigur Ros相比较。Eberg擅长用电音来营造轻松而精灵古怪的chill-out。这首歌选自他们的2006年发行的专辑《

发表于:2019-01-10 / 阅读(88) / 评论(0) 分类 英文广告歌曲

Eberg是冰岛歌手,经常被拿来与Belle Sabastian 和 Sigur Ros相比较。Eberg擅长用电音来营造轻松而精灵古怪的chill-out。这首歌选自他们的2006年发行的专辑《Voff Voff》。 Ding dong the clock is wrong Dong ding

发表于:2019-01-11 / 阅读(82) / 评论(0) 分类 金属

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. This week on our program, we bring you some laughs from old-time American radio shows. Bud Abbott, left, and Lou Costello LOU COSTELL

发表于:2019-01-11 / 阅读(73) / 评论(0) 分类 VOA慢速英语2009年(三)月

Members of Congress are demanding more taxpayer protections and congressional oversight in the $700 billion bailout plan lawmakers are expected to debate this week to rescue failing U.S. financial institutions. As VOA's Dan Robinson reports from Cap

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 VOA标准英语2008年(九月)

By Kari Barber Dakar 28 August 2007 Sierra Leone president Ahmed Tejan Kabbah (file photo) Sierra Leone President Ahmad Tejan Kabbah has said he will declare a state of emergency if clashes continue between supporters of the two main political partie

发表于:2019-01-13 / 阅读(110) / 评论(0) 分类 2007年VOA标准英语(八月)

U.S. auto company executives returned to Capitol Hill Friday to renew appeals for billions of dollars in emergency loans. They faced skeptical questions from members of the House Financial Services Committee dissatisfied with the automaker's restruc

发表于:2019-01-13 / 阅读(112) / 评论(0) 分类 VOA标准英语2008年(十二月)

HEALTH REPORT - Blood Pressure Drugs May Prevent Dry Eye Syndrome By Jerilyn Watson Broadcast: Wednesday, April 07, 2004 This is the VOA Special English Health Report. Many people around the world suf

发表于:2019-01-19 / 阅读(132) / 评论(0) 分类 健康与经济

Hanna: So, next week I have to do a debate in my finance class. Diego: Oh, really, what is your debate about? Hanna: Our debate topic is about whether we should teach finance to kids, so things like investment and the stock market. Things like tax. D

发表于:2019-01-20 / 阅读(63) / 评论(0) 分类 原版英语对话1000个

Todd: OK, Simon, I was wondering you know, you have a newborn son and before you know it, he'll probably be 10 years old, 12 years old, and I wonder if his life will a lot different than it was for us when we were 10 or 12. Like for example, educatio

发表于:2019-01-20 / 阅读(136) / 评论(0) 分类 原版英语对话1000个

Leaders of the world's advanced economies have been meeting with counterparts from some of the world's poorest African nations on the first day of the G8 summit in northern Japan. As VOA's Kurt Achin reports from Hokkaido, the G8 leaders are facing

发表于:2019-02-02 / 阅读(49) / 评论(0) 分类 VOA标准英语2008年(七月)

NAIROBI, Feb. 18 (Xinhua) -- Former world marathon record holder, Paul Tergat, claimed on Monday that doping among Kenyan runners is isolated as opposed to being the widespread problem as alleged. He subsequently called for accusations levelled again

发表于:2019-02-05 / 阅读(68) / 评论(0) 分类 英语新闻

Joel: So, you're from a smaller island. What kind of concerns do people on your island have or what kind of concerns do you have? Patricia: For the world you mean? Joel: Right. Right. Patricia: Well recently, when I was in high school I had a friend'

发表于:2019-02-18 / 阅读(51) / 评论(0) 分类 原版英语对话1000个
学英语单词
-nese
1-naphthylamine hydrochloride
abjustment
Abū Rubayq
alkalinizations
amocarzine
arctic region
autocompounded current transformer
ayyub
azatropylidene
backlog depreciation
be enveloped in
beaumontoside
by right of something
chatham str.
cold dishes
conforming imputation
contingent transaction
cross tolerance
customerinquiry
dative sickness
dehorted
delay set counter
die arrangement for continuous compaction
direct-axis transient voltage
direness
dollar value at point of exportation
doublepressing
drinkings
dropping vessel
dry salted fish
duty of assured clause
ecosophers
ego trip
eructing
face masks
faint with
femaleless
fire-bucket
flexible shaft coupling
foredated
getting away
halmyrogenic
instantaneous cut
integrand
Kaschau
kinorhyncha
kiwifruit
lecturin'
lithophile element
local transaction program
Louis III
magnetic device
measure of transcendence
mileage recorder
militarus
molybdenum complex
myohypertrophia kymoparalytica
naphthalene poisoning
octal indication
open future
open-cavity
optical fiber measurement
period-to-date quantity adjusted
phase wave
phlebodium aureums
pinch-in effect
polluter-pays
proximal point algorithm
puccinia noli-tangere
Pull your chain
pycnanthemum virginianums
rattlers
read untrue
reeling furnace
relocatable linking loader
replays
sale fees
Saxifraga divaricata
semipolitician
side action
single shot trigger
single-sideband
sinopontius aesthetascus
sizing roller
soft snap
spooneristic
steady-state heating
supporter combustion
supporting information
tambay
tetanic induced current
TLC-scanner
trentepholia (mongoma) pennipes
Truth In-lending Act
undercut slope
unimanual palpation
unshunned
vibratory hopper feeder
welders' siderosis
with (an) effort
Zǎbrani