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VOA慢速英语:The Future of Dairy Farming: Robot Milkers
2014-07-29来源:VOA
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词汇讲解:
1. contamination n.污染; 弄脏
例句:Police confirmed there was no environmental contamination.
警方也确认了该事故没有造成环境污染。
2. change vt.改变,变更
例句:You can't change the past.
没人能改变过去。
3. produce vt. 生产; 产生
例句:Will the ocean produce less oxygen?
海洋会排放出更少的氧气么?
4. function n.功能,作用
例句:What function did these tattoos serve?
这些纹身的作用是什么?
5. attention n.注意,注意力
例句:Differences in hue draw our attention quickly.
颜色的不同可以快速的引起我们的注意。
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