单词:cross contaminate
单词:cross contaminate 相关文章
Unit 4 consult consume consumption contact contaminate contemplate contemporary contempt contend contest context continual continuous contract contradict contrary contrast contribute contribution contrive controversial convenience convention convent
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[00:00.00]constituent [00:08.65]constituent [00:10.82]n. (一个选区中的)选民 [00:21.75]constituent [00:23.92]constrain [00:31.14]constrain [00:33.26]v.强制;约束 [00:42.55]constrain [00:44.67]contaminate [00:53.22]contaminate [00:55.57]vt
Lesson 54:Instinct or cleverness? 是本能还是机智 Listen to the tape then answer the question below. 听录音,然后回答以下问题。 Was the writer successful in protecting his peach tree? Why not? We have been brought up to fear insects
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But there are problems with each of these ideas. For example, it would be difficult to monitor nuclear waste under the ocean floor. Waste buried deep in the earth, meanwhile, might contaminate ground water.And as ice sheets continue to melt, its hard