时间:2019-01-22 作者:英语课 分类:自然百科2012年


英语课

 She chews its tail first, to make sure the fish can't get away. While the pups are still demanding milk, the mother otter 1 will often keep the whole fish for herself. Her pups are happy enough with caviar. 


 
As the flow becomes slow enough for the trout 2 to lay eggs, there is a brief window of opportunity to spawn 3 before the river gets too shallow to swim upstream. The female digs a trough with sinuous 4 flicks 5 of her body. And the attending male fertilizes 6 the eggs as they are laid. Millions of new lives. 
 
It's now early July. And what looks like more snow is actually a blizzard 7 of seeds and insects. There is more life in the park now than at
 
any other time of the year. It's a turning point in the summer. Through the coming month, the days will get hotter and drier. The plants will grow less vigorously, and the pace of summer will slow. 
 
The meadows are not so welcoming now. The grass becomes less nourishing as it puts its energy into seeds and roots.

n.水獭
  • The economists say the competition otter to the brink of extinction.经济学家们说,竞争把海獭推到了灭绝的边缘。
  • She collared my black wool coat with otter pelts.她把我的黑呢上衣镶上了水獭领。
n.鳟鱼;鲑鱼(属)
  • Thousands of young salmon and trout have been killed by the pollution.成千上万的鲑鱼和鳟鱼的鱼苗因污染而死亡。
  • We hooked a trout and had it for breakfast.我们钓了一条鳟鱼,早饭时吃了。
n.卵,产物,后代,结果;vt.产卵,种菌丝于,产生,造成;vi.产卵,大量生产
  • The fish were madly pushing their way upstream to spawn.鱼群为产卵而疯狂地向上游挤进。
  • These fish will lay spawn in about one month from now.这些鱼大约一个月内会产卵。
adj.蜿蜒的,迂回的
  • The river wound its sinuous way across the plain.这条河蜿蜒曲折地流过平原。
  • We moved along the sinuous gravel walks,with the great concourse of girls and boys.我们沿着曲折的石径,随着男孩女孩汇成的巨流一路走去。
(尤指用手指或手快速地)轻击( flick的第三人称单数 ); (用…)轻挥; (快速地)按开关; 向…笑了一下(或瞥了一眼等)
  • 'I shall see it on the flicks, I suppose.' “电影上总归看得见。” 来自英汉文学
  • Last night to the flicks. 昨晚看了场电影。 来自英汉文学
n.施肥( fertilize的名词复数 )v.施肥( fertilize的第三人称单数 )
  • The male sperm fertilizes the female egg. 雄性的精子使雌性的卵子受精。 来自辞典例句
  • When the male reproductive cell fertilizes the female reproductive cell a zygote is formed. 当男性生殖细胞与女性生殖细胞发生受精时,就形成了一个合子。 来自辞典例句
n.暴风雪
  • The blizzard struck while we were still on the mountain.我们还在山上的时候暴风雪就袭来了。
  • You'll have to stay here until the blizzard blows itself off.你得等暴风雪停了再走。
学英语单词
acquisition for value
Aegina,Gulf of
alongside-port
aluminium zinc alloy
anchorable
Androcles and the Lion
axle for vehicle
Bacterium variolae
Belturbet
blots up
bottle out
center of fiqure
chantenay
chantliker
chemical cure
climb out of
collective-responsibility
constant expenses
contract terms
cosmic-ray high energy physics
Council of EEC Builders of Large Ships
cruet stand
digestive tract symptom
dipodic
dorsal tibial seta
drill duck bill
dumpss
enchondroma
enzyme-substrate
ethnorelativism
family of ellipses
farm clubs
farmaceuticals
fewest
fiber optic
fishing platform
flagrance
freieslebenite
gain the character of
genus Juncus
get to second base
glauco
grain attack
habenular tract
hang-glide
high-density tape
hla-drbs
illicium lanceolatum a.c. smith
intermediate language table
iwogumoa xinhuiensis
Jerzy
jet band
Jewell County
jukskei
Kołbacz
Laserdil
malignant hepatomas
master cylinder outlet connection
maximal ideal
mechanical origin
medium of lower refractive index
methane clathrate
micropipet(te)
Myrtiflorae
nickel porphyrin
not feel
oil-immersed pump
old man workings
partss
pebblebrook
peck with sb
phlegon
photo-piezo-electric effect
physarsterol
plastid stroma
primer for rusted steel
primitive extraction-embedding parser
Prince William Sound
promovent
pruinosus
psilothin
rajite
salmonella
semantic stack
sigmatic
siliceous crust
suagred arbutus
terminal-text processing
the fugitive
three-way lattice grid
throw a wet blanket over
to make good time
total replacement cost
ultra-cool
Visual Studio Team System
voice response unit
water form
weak structure
wild animal
writing arms
Zadornov