时间:2019-01-23 作者:英语课 分类:探索与发现2012年


英语课

 Midsummer on the tundra 1 and the sun does not set. At these altitudes, the sun’s rays are glancing and not enough of their energy reaches the ground to enable trees to grow. You’ll need to travel five hundred miles south from here before that is possible. 


 
These stunted 2 shrubs 3 mark the tree line, the beginning of the boreal forest, the taiga. The needle-shaped leaves of the conifers are virtually inedible 4. So this forest supports very little animal life. It’s a silent place where the snow is unmarked by footprints. In the Arctic winter, snow forms a continuous blanket across the land. But as spring creeps up from the south, the taiga is unveiled. This vast forest circling the globe contains a third of all the trees on earth and produces so much oxygen, it changes the composition of the atmosphere.
 

n.苔原,冻土地带
  • The arctic tundra is at the top of the world around the North Pole.北极冻原是指北极点周边的地区,是世界最高的地方。
  • There is a large amount of methane gas under the Siberian tundra.西伯利亚的冻土地带之下有大量的甲烷气体。
adj.矮小的;发育迟缓的
  • the stunted lives of children deprived of education 未受教育的孩子所过的局限生活
  • But the landed oligarchy had stunted the country's democratic development for generations. 但是好几代以来土地寡头的统治阻碍了这个国家民主的发展。
灌木( shrub的名词复数 )
  • The gardener spent a complete morning in trimming those two shrubs. 园丁花了整个上午的时间修剪那两处灌木林。
  • These shrubs will need more light to produce flowering shoots. 这些灌木需要更多的光照才能抽出开花的新枝。
adj.不能吃的,不宜食用的
  • The food was totally inedible.食物完全无法下咽。
  • These chemicals make the fruit inedible.这些化学品使这种水果不宜食用。
学英语单词
adenoacanthoma
administrative assistant
amnion
Amur pike
Angelverse
anomalous relaxation
arrival distribution
Ascomycota
bazemore
bit clear
body powder
brackishnesses
Brighouse
briolette(brillolette)
carrying of cultures
centralized control panel
choreatic atonia
church-life
columbin
compessure
computation solid mechanics
condensate water
constant pressure specific heat
container rule
corrugutor
cost of acquistion
ctenis
dehydrobenzenes
field-splitting microscope
generation rent
genus brickelias
glaucina
globoid in-dexing cam mechanism
grown for its fiber and seedoil
hand -over
hard-to-weld
hoe-bags
hypersynchronous braking
I have a question
Iati
impact radius
in oil
incidental prominence
indissolvable
jan christian smutss
jihadising
lammermuir
Marvine, Mount
microwave power performance
Muarabenangin
muster stations
nager
nuclear radiation flowmeter
ocular selerite
ODI
Ometepe, I.de
ouma
over the telephone
part of sphere
pasp
permanent loop junctor
pidginizing
polyureas
principalist
projection-cathode-ray tube
rapid dyeing
rejected item
residual gas pressure
residual generation
rubidium iron(ii) sulfate
sand paper
saurians
secondary detachment of retina
Shell Rock
shredded fish
spirit rapping
spring-tube pressure gauge
surbating
swaptions
Taesuapta
taiwan
tempo mark
tin-coated hurricane lantern
tractor hoist
tree post
trivial proximity
tzarina
ultraprojectmeter
unconformably
unsmooth
ursa majors
us -gate
vacuum diffusion
Van Slyke's methods
vapour cycle
viscerotrophic
volute throat
VSTS
Wattersite
wet mixing plant
within the accuracy of
wrapped poisson distribution