1.ice sheet 大冰原，冰盾，冰蓋

The antarctic ice sheet waxed and waned, and global sea level rose and fell.
隨著南極冰蓋冰凍和消融，全球海平面也在降低和升高。

But it did not destabilise the ice sheet or provide a new reason to worry about rising sea levels.
但這并沒有導(dǎo)致大冰蓋發(fā)生不穩(wěn)定現(xiàn)象，也無法為海平面上升的擔(dān)憂提供新的依據(jù)。

2.global warming 全球變暖

Global warming dries out farmland.
全球變暖使農(nóng)田干枯。

We talk about global warming.
我們談到了全球變暖。

3.hope for 希望，希望得到

Detailed and public scrutiny and peer group pressure are the most we can hope for.
細(xì)致審查、公眾監(jiān)督、以及來自其他集團的壓力，是我們所能企盼的最好結(jié)果。

You remain passive and convince yourself that you have nothing to hope for.
你消極被動，使自己確信你沒有希冀的事。

4.begin to 開始

A younger generation will begin to take over.
年輕一代將會開始接管中國的事務(wù)。

You'll begin to recognize the triggers for each of you.
你就能開始認(rèn)識到每個人的觸發(fā)點在哪里。