时间:2019-01-22 作者:英语课 分类:自然百科2011年


英语课

 They won’t be strong enough to challenge for females until they are five years old. Til that day, they will regularly hone their sparring skills. They will stay with the group until they mature. 


 
During the long winter chill, Lake Baikal transforms from a flat expanse into cut crystal. Movement across its huge surface ruptures 1 and shifts the ice layers. 
 
Adult seals spend the winter alone, mostly in the water. But come April, they will have some company. This pup is the first of the season to emerge. Weaning for Baikal seals is abrupt 2. The mother starves herself during the eight weeks of feeding the pup in the snow den 3, then she simply abandons it on the surface. 
 
Soon the icescape will be dotted with other emerging pups. Already this one is eager to explore its world. A layer of fat keeps it warm above and below the waterline, where icy cavens create a frozen paradise. 
 
But Siberia’s chilling reputation tells only half the story, the beauty as expansive as its borders and the diversity to rival any place on earth. This Russian land, mountains and lakes, forests and plains can only be described in a single surprising word--Siberia.

n.(体内组织等的)断裂( rupture的名词复数 );爆裂;疝气v.(使)破裂( rupture的第三人称单数 );(使体内组织等)断裂;使(友好关系)破裂;使绝交
  • Fault ruptures may consist of a single narrow main break. 断层破裂可能只包括单独一条狭窄的主裂隙。 来自辞典例句
  • The dry seed ruptures and the green leaf uncurls. 干瘪的种子裂开了,卷曲的绿叶伸展了。 来自辞典例句
adj.突然的,意外的;唐突的,鲁莽的
  • The river takes an abrupt bend to the west.这河突然向西转弯。
  • His abrupt reply hurt our feelings.他粗鲁的回答伤了我们的感情。
n.兽穴;秘密地方;安静的小房间,私室
  • There is a big fox den on the back hill.后山有一个很大的狐狸窝。
  • The only way to catch tiger cubs is to go into tiger's den.不入虎穴焉得虎子。
学英语单词
17-hydroxyprogesterone caproate
accommodation platform
all around the clock
aphorising
apsg
argue someone out of something
arteria bulbi vestibuli
Arume-wan
Atlanta Hawks
autohand
balfours
bearing resistance
blister cooler
blocks palette
brokest
C-stage
cassiopeias
Chamaegastrodia vaginata
cheryls
chichibain reaction
chinese privets
chipseal
civil defence
close-spaced technique
colpospisiorrhaphy
compactness of crystal lattice
conchite
consignment service station
cookpots
costal arch reflex
criminal police
data break cycle
degree of blood oxygen saturation
departmental store
double m-
driver transformator
EGA
electroenciphalogram
erysimosol
Eurostars
facies articularis malleoli fibulae
falling rate drying period
faning strip
Feke
financing method
forward recovery current
gothic palate
Grosser Feldberg
guilmette
hawknoses
inductive feedback
infinite markov chain
installation exit routine
intervening sequences
irradiation cylinder
khamees
Kéthely
layout algorithm
left coronary artery
lithotritist
locatable
magnetoactive plasm
mandibular injection
Maruhan
maseliche
mattes
medallion
moonan
nihil ad rem
noble radiogases
normal compact operator
parapelvic cyst
peak value
Peňarrubia
pointework
pulse converter
pulverized ore
pure imaginary numbers
radar altimeter
radial thrust force
raw sheet horse
resistance grounded
robemaking
roommateship
scheduled rotation system
scrubly
Selagioellaceae
SGTM
sidereal hour angle of observer's meridian
sound note
Sowau
static balance of rotor
take one's drops
texting us
timbered bottom
transport model
typ(e)able
ultra-sonics
underground protective earthing
vcl.
zonula occludens