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
a faraway look
acceleration control
admitted loss ratio
air input
alrighty
analogy test
anteport
apogon cheni
assignment half-word
beach fills
black santos
calymperes tenerum
cantering rhythm
cedar mahoganies
chromalum
Chrymoyidae
Codonanthe
comminli
common assembler
controlled temperature cabinet
Corophiidae
correlative regeneration
Cubop
Daszyna
descoreba alboviridis
Digibind
dispatch switchboard
do your duty
El Plátano
exitus papilla
file activity ratio
fluent aphasia
forgue
friction bands
gray forest gley soil
grinding spindle for internal grinder
height gate
helminthic abscess
idle torque of clutch
interspinous bone
Jill, Sebkhet ej
klimt
lactophenetide
length of life test
light fillet
lubricating oil consumption
macroeconomic analysis
michael scofield
misstating
mixed economy
MLitts
model deformation
mouse-rat
Nagykapornak
not let one's left hand know what one's right hand does
optical image processing optical modulation
oxymeters
ozone treatment
paraphysis
passage mileage
pedias
power spectral density
prehalter
Profintern
pulse series generator
put ... through the wringer
QoX
radial drawing forming
rafe
real side
refractory fibre product
ride on horse of ten toes
roentgenize
roscommons
runflat
safety forest administration
sailors choices
scaf
sea cole
sealship
sedche
shield factor
smear correction
soft camel's hair brush
soybean future
stabilizer blade
star-type charge
steering spindle bushing
stick at trifle
straight ticket
strong room
swells
swime
tool drawing
trenail
unionwide
unscrewer
up the duff
v-strap
wicket gate stem
word-searches
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