CNN news 2010-06-14 加文本
2010-06-14来源:和谐英语
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2.continent n.洲, 大陆
例句:Africa is a continent, but Greenland is not.
非洲是大陆, 而格陵兰不是。
3.basically adv.大体上;基本上
例句:Basically I agree with your plan.
我基本上同意你的计划。
4.acoustic adj.声音的, 听觉的
例句:Animals use a whole rang of acoustic, visual, and chemical signals in their systems of communication.
动物利用各种各样的听觉、视觉和化学信号来进行交流。