2. 外语
  3. Most scientists spend their time in laboratories______(称称量量、用各和海洋生物做实验).

Most scientists spend their time in laboratories______(称称量量、用各和海洋生物做实验).

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问题 Most scientists spend their time in laboratories______(称称量量、用各和海洋生物做实验).
选项
答案in weighing, measuring, and experimenting with various kinds of ocean lives
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大学英语六级

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