lap ( v．) :move or strike gently with a light，splashing sound such as a dog makes in lapping(波浪)拍打；泼溅
divert ( v．) :turn aside；deflect转移；使(人或物)转向；岔开，使偏斜
Antarctic ( adj. ) :of or near the South Pole南极的；近南极的；南极区的；南极地带的；南极周围的
Trans—Antarctic (adj.) : crossing or spanning the Antarctic横贯南极的；横贯南极地带的
glacier ( n.) :a slowly moving river or mass of ice and snow that forms in areas where the rate of snowfall constantly exceeds the rate at which the snow melts冰河；冰川
accessible ( adj.) : easy to approach or enter能够接近的；能够进去的；易接近的；易进去的
trap ( v．) : entrap诱捕；计捉
inexorable ( adj.) :that cannot be altered，checked不可变的；不可抗拒的；无情的
graph ( n.) :a diagram consisting of nodes and links and representing logical relationships or sequences of events(曲线)图，标绘图；图表；图形
slab ( n.) :a piece that is flat，broad，and fairly thick平板；厚片
frigid ( adj.) :extremely cold极冷的，寒冷的，严寒的
snowmobile ( n.) : motor vehicles for traveling over snow (机动)雪车；(履带式)雪上汽车
rendezvous ( n.) : a place designated for meeting 指定集合地；会合点
hover ( v．) :stay suspended or flutter in the air near oneplace盘旋
eerie，eery ( adj. ) :mysterious or weird神秘的，离奇的；阴森的，可怕的．
hummock ( n.) :ridge or rise in an ice field冰；(冰原上的)冰丘
collide ( v．) : crash碰撞；猛撞；互撞
scenario ( n.) :a sequence of events esp. when imagined (设想中的)未来事态；方案
controversial ( adj. ) : debatable争论的；引起争论的；
equator ( n.) :an imaginary circle around the earth，equally distant at all points from both the North Pole and the South Pole，dividing the earth's surface into the Northern Hemisphere and the Southern Hemisphere赤道
billow ( v．) :surge，swell，or rise like or in a billow(巨浪)奔腾；(波涛)汹
slash (v．) :cut or wound with a sweeping stroke猛砍，乱砍
blot (v．) :make blots on；spot；stain；涂污；玷污；把……弄模糊；遮暗(尤用于bolt out：把……弄模糊；遮暗，遮蔽；掩蔽)
noctilucent (adj.) :designating or of a luminous cloud of unknown composition夜光云的；夜间发光的
shimmer ( v．) :shine with an unsteady light；glimmer闪烁；发出微光
translucent ( adj.) : partially transparent，as frosted glass半透明的
buildup ( n.) :a gradual increase in amount，power，influence，etc．；expansion(鬼怪汽车在数目、力量、影响等方面)逐渐增加，扩大，扩充；集结
landfill ( n.) :the disposal of garbage or rubbish by burying it under a shallow layer of ground埋入地下的垃圾 
extinction ( n.) :the fact or state of being or becoming extinct (动物的)灭绝，绝种
rip (v．) :cut or tear apart roughly or vigorously撕，扯
spectral ( adj.) : ghostly鬼怪(似)的；幽灵(般)的
skirmish ( n.) :a brief fight or encounter between small groups，usually an incident of a battle小规模战斗；前哨战
disrupt ( v．) :disturb or interrupt the orderly course of扰乱；破坏
ultraviolet ( adj. ) :lying just beyond the violet end of the visible spectrum and having wavelengths shorter than approximately 4 000 angstroms紫外(线)的
equilibrium ( n.) :a state of balance or equality between opposing forces平衡(状态)；平均；相称
axiom ( n.) : maxim格言，箴言
cumulative (adj. ) :increasing in effect，size, quantity，etc．by successive additions；accumulated累积的，堆积的；累加的；(作用、大小、数量等)渐增的
sustenance ( n.) :support生计；支撑；支持，维持
depletion ( n.) :the gradual using up or destruction or capital assets，esp. of natural resources资产(尤指自然资源)的折耗，耗减
deforestation ( n.) :the act or action of clearing (land)of forests of trees毁林，滥伐森林
simplistic (adj.) : oversimplifying or oversimplified过分简单化的
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at stake:  to be won or lost；being risked 在胜败关头，冒风险
      例： This decision put out lives at stake．这一决定，我们的生命就凶吉难保了。