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SSS 2011-06-08

时间:2011-07-06 01:26来源:互联网 提供网友:gmeng   字体: [ ]
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    (单词翻译:双击或拖选)

You shouldn't judge a book by its cover, and you shouldn't judge a species by place of its origin, so say ecologists in the commentary in the Journal Nature. They argued that conservation should access organisms based on their  impact on the local environment rather than simply whether they are native,
when you hear the phase non-native species, you no debt conjure1 up an image of invasive animal or plant that
pushing out the native species and wreaking2 havoc3 on local ecology, like zebra mussels on great lakes, or K in Australia.


But Mark Davis of M college in M(M college), see things differently . They say being indigenous4 doesn't grant a species special right to inhabit in the Eco-system,
or mean that it's presence is good for the environment. The insect currently thought to kill more trees than any other America, is the native Mountain pine beetle5,
and many invaders6 actually boost biodiversity, not decimated it.


As the climate change and urbanization continue to reshape the ecological7 landscape, more species were leaved their homelands,
making the distinction between resident and alien a moot8 point, so ask not where a species comes from, but where it belongs.


点击收听单词发音收听单词发音  

1 conjure tnRyN     
v.恳求,祈求;变魔术,变戏法
参考例句:
  • I conjure you not to betray me.我恳求你不要背弃我。
  • I can't simply conjure up the money out of thin air.我是不能像变魔术似的把钱变来。
2 wreaking 9daddc8eb8caf99a09225f9daa4dbd47     
诉诸(武力),施行(暴力),发(脾气)( wreak的现在分词 )
参考例句:
  • Coal mining is a messy business, often wreaking terrible environmental damage nearby. 采矿是肮脏的行业,往往会严重破坏周边环境。
  • The floods are wreaking havoc in low-lying areas. 洪水正在地势低洼地区肆虐。
3 havoc 9eyxY     
n.大破坏,浩劫,大混乱,大杂乱
参考例句:
  • The earthquake wreaked havoc on the city.地震对这个城市造成了大破坏。
  • This concentration of airborne firepower wrought havoc with the enemy forces.这次机载火力的集中攻击给敌军造成很大破坏。
4 indigenous YbBzt     
adj.土产的,土生土长的,本地的
参考例句:
  • Each country has its own indigenous cultural tradition.每个国家都有自己本土的文化传统。
  • Indians were the indigenous inhabitants of America.印第安人是美洲的土著居民。
5 beetle QudzV     
n.甲虫,近视眼的人
参考例句:
  • A firefly is a type of beetle.萤火虫是一种甲虫。
  • He saw a shiny green beetle on a leaf.我看见树叶上有一只闪闪发光的绿色甲虫。
6 invaders 5f4b502b53eb551c767b8cce3965af9f     
入侵者,侵略者,侵入物( invader的名词复数 )
参考例句:
  • They prepared to repel the invaders. 他们准备赶走侵略军。
  • The family has traced its ancestry to the Norman invaders. 这个家族将自己的世系追溯到诺曼征服者。
7 ecological IrRxX     
adj.生态的,生态学的
参考例句:
  • The region has been declared an ecological disaster zone.这个地区已经宣布为生态灾难区。
  • Each animal has its ecological niche.每种动物都有自己的生态位.
8 moot x6Fza     
v.提出;adj.未决议的;n.大会;辩论会
参考例句:
  • The question mooted in the board meeting is still a moot point.那个在董事会上提出讨论的问题仍未决的。
  • The oil versus nuclear equation is largely moot.石油和核能之间的关系还很有争议。
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