I've as yet only once lighted on use of the word in the plural.

至今我只有一次发现这个词用复数形式.

辞典例句

Lab sessions involve hands - on use of the electron microprobe.

实验部分包括电子探针的实际操作.

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Problems on use of intellectual property rights and investment ratio are remaining unknown as top secrets.

关于知识产权使用、中外方出资比例等问题都属于高度机密,目前无法得知.

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To receive prescription, perform order entry for prescribed items. Instruct patient on use of drugs dispensed.

接收处方, 将医嘱和相关药品输入电脑. 指导病人使用药物.

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