As a rule, reuse it one time before disposal, and reuse it within a few weeks after the first use.

作为一个规定，在烹炸用油丢弃前只重复使用一次，且在第一次使用后的几周内重复使用。

youdao

Discard all personal protective equipment after you use it one time. Do not try to clean it. Discard the equipment in a plastic disposable bag.

在使用一次后报废所有个人防护用品。不要试图清洁。用一次性塑料袋装报废品。

youdao

It will save considerable machining time to use more than one tool in one machine to perform several machine operations either in sequence or simultaneously.

在一台机器上使用数种刀具来顺次或同时进行几项机器操作，将节省大量加工时间。

《新英汉大辞典》

It is one the president takes seriously, and one the president is going to use his time to get right."

VOA: standard.2009.10.09

There are multiple mechanisms that a cell can use to decide which genes it is expressing at any one time and which ones are not expressed.

在某一时刻,决定细胞中哪些基因表达,哪些基因不表达的机理十分复杂

耶鲁公开课 - 生物医学工程探索课程节选

You use it all the time, but maybe along one dimension.

你也许在一维空间里一直在用它

耶鲁公开课 - 基础物理课程节选

The U.S. Food and Drug Administration has only approved it for one-time use, rather than multiple uses.

WSJ: Panel Pushes Vaccine for Pregnant Women

Each time you use a weapon or a spell it loses one point.

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The result is a phone that is wonderfully easy to use with one hand, and the curved back means it sits there comfortably at the same time.

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