when needed翻译
when needed的基本解释
读音: 美: 英:
需要时：指在特定情况下需要或要求的时候。
例句
Learn to ask for help when needed.学会在需要的时候寻求帮助。Some people think drones can only be used by governments to help when needed.一些人认为只能由政府在需要的时候使用无人机提供帮助。
I keep photos of my singular accomplishments on my cellphone to boost my spirits when needed.我把记录我突出成就的照片存在手机里，以便在需要的时候用来振奋精神。
短语
Bleaching when needed 需要时漂白 ; 必要时漂白Produce energy when needed 在需要时产生的能量 ; 在需求时发生的能量
Filing when needed 按需整理文件并存档
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纠错
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