选修科学课程的学生数量急剧下降。

The number of students taking classes in the sciences has dipped sharply.

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The number of students taking classes in the sciences has dipped sharply.

dipped 是动词 dip 的过去式,dip 本意是"浸、蘸",引申为"下降、减少",常用来描述数量或水平的短暂下降。

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