unit 12 Ships in the desert 词汇.doc

Lesson 12Vocabulary1lap ( v) :(of waves，etc)move or strike gently with a light，splashing sound (波浪)拍打；泼溅 2divert ( v) :turn(a person or thing)aside(from a course，direction，etc)；deflect转移；使(人或物)转向；岔开，使偏斜 3Antarctic ( adj. ) :of or near the South Pole or the region around it南极的；近南极的；南极区的；南极地带的；南极周围的 4. Trans Antarctic (adj.) : crossing or spanning the Antarctic横贯南极的；横贯南极地带的 5. parka ( n.) :a hiplength pullover fur garment with a hood，worn in arctic regions风雪大衣，派克大衣 6. glacier ( n.) : le 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 7. accessible ( adj.) : that can be approached or entered；easy to approach or enter能够接近的；能够进去的；易接近的；易进去的 8. inexorable ( adj.): neksrbl that cannot be altered，checked，etc不可变的；不可抗拒的；无情的 9. 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 10. slab ( n.) :a piece that is flat，broad，and fairly thick平板；厚片 11. frigid ( adj.) :extremely cold；without heat or warmth极冷的，寒冷的，严寒的 fridgefreezing12. snowmobile ( n.) :any of various motor vehicles for traveling over snow，usually with steerable runners at the front and tractor treads at the rear(机动)雪车；(履带式)雪上汽车 13. rendezvous ( n.) : r:ndeivu: Fr. a place designated for meeting or assembling法语指定集合地；会合点 14. hover ( v) :stay suspended or flutter in the air near one place盘旋 15. eerie，eery ( adj. ) :mysterious，uncanny，or weird，esp. in such a way as to frighten or make uneasy神秘的，离奇的，怪异的；阴森的，恐怖的，可怕的eerily adv 16. hummock ( n.) :ridge or rise in an ice field冰群；(冰原上的)冰丘 17. collide ( v) :come into violent contact; strike violently against each other；crash碰撞；猛撞；互撞 18. scenario ( n.) :a sequence of events esp. when imagined；an account or synopsis of a projected course of action or events(设想中的)未来事态；方案 19. tundra ( n.) :any of the vast，nearly level，treeless plains of the arctic regions冻原；苔原；冻土带 20. equator ( n.) : an imaginary circle around the earth，equally distant at all points from both the North Pole and the South Pole，dividing the earths surface into the Northern Hemisphere and the Southern Hemisphere赤道 21. billow ( v) : surge，swell，or rise like or in a billow (巨浪)奔腾；(波涛)汹 22. pasture ( n.) : ground suitable for grazing牧场 23. slash (v) : cut or wound with a sweeping stroke or strokes，as of a knife(用刀等)猛砍，乱砍 24. blot (v) : spot；stain；blur涂污；玷污；把弄模糊；遮暗 blot out：把弄模糊；遮暗，遮蔽；掩蔽25. noctilucent (adj.) : ,nkti lju:snt designating or of a luminous cloud of unknown composition, visible at night in the polar regions夜光云的；夜间发光的 26. shimmer ( v) :shine with an unsteady light；glimmer闪烁；发出微光 27. translucent ( adj.) : partially transparent，as frosted glass半透明的 28. buildup ( n.) :a gradual increase in amount，power，influence，etc；expansion(在数目、力量、影响等方面)逐渐增加，扩大，扩充；集结 29. methane ( n.) :a colorless，odorless，inflammable gaseous hydrocarbon，CH4甲烷；沼气 30. landfill ( n.) :the disposal of garbage or rubbish by burying it under a shallow layer of ground埋入地下的垃圾 31. paddy ( n.) : rice in the husk，growing or gathered稻，谷 32. termite ( n.) : a kind of insect found chiefly in tropical areas，very destructive to wood，textiles，etc, which makes large hills of hard earth白蚁 33. biomass ( n.) :the total mass or amount of living organisms in a particular area or volume生物量 34. extinction ( n.) :the fact or state of being or becoming extinct；dying out，as of a race，species of animal，etc(动物的)灭绝，绝种 extinct35. rip (v) : cut or tear apart roughly or vigorously撕，扯 36. spectral ( adj.) : of or like a specter； phantom；ghostly鬼怪(似)的；幽灵(般)的 37. skirmish ( n.) :a brief fight or encounter between small groups，usually an incident of a battle小规模战斗；前哨战 38. aquifer ( n.) : an underground layer of porous rock，sand，etccontaining water，into which wells can be sunk含水层(能对水井提供重要经济价值的水量的地下岩层) 39. chlorine ( n.) : kl:ri:n a greenishyellow， poisonous，gaseous chemical element with a disagreeable odorused as a bleaching agent，in water purification，in various industrial processes，etc(symbol C1)氯(符号C1) 40. chlorofluorocarbon ( n.) : ,kl:r,flr k:bn any of a series of gaseous or lowboiling，inert，nonflammable derivatives of methane or ethane，used as refrigerants and solvents，and as propellants in aerosol products化氟利昂 41. ultraviolet ( adj. ) :1ying just beyond the violet end of the visible spectrum and having wavelengths shorter than approximately 4 000 angstroms紫外(线)的 42. molecule ( n.) :the smallest particle of an element or compound that can exist in the free state and still retain the characteristics of the element or compound化分子 43. equilibrium ( n.) :a state of balance or equality between opposing forces平衡(状态)；平均；相称 44. exponential ( adj.)Math :of or relating to an exponent：involving a variable or unknown quantity as an exponent数指数的；幂的 45. axiom ( n.) : a statement universally accepted as true；maxim格言，箴言 46. cumulative (adj. ) :increasing in effect，size, quantity，etcby successive additions；accumulated累积的，堆积的；累加的；(作用、大小、数量等)渐增的 accumulate47. sustenance ( n.) :ones means of livelihood；maintenance；support生计；支撑；支持，维持 sustainsustainable48. ozone ( n.) :n unstable，paleblue gas，O3，with a penetrating odor 化臭氧 49. 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 deplete: v.50. deforestation ( n.) :the act or action of clearing (1and)of forests of trees毁林，滥伐森林 forestation 植树造林51. precedent ( n.) :existing practice resulting from earlier precedents先例；前例 precede: v. unprecedented52. sober ( v) : ma