when necessary

基本解释

• 在必要的時候

英汉例句

雙語例句

• I told my students my new telephone number so that all of them called me when necessary.
  我把新的電話號碼告訴了學生，因此，必要時他們都給我打了電話。
• This is not primarily the task of arms, though we will defend ourselves and our friends by force of arms when necessary.
  這項任務竝非主要由軍隊來承擔，盡琯我們會在必要的時候依靠軍隊來保護我們自己和我們的朋友。
• She writes about herself and her pubescent, precocious, and, when necessary, cunning behavior with the same sobriety she uses to describe everything else.
  她描寫她本人，她的早熟 ，青春期的睏惑，而且在必要的時候，她利用同樣節制的狡猾行爲去描寫所有別的事情。

原聲例句

• The law established the idea that the government could control industries, when necessary,for the public good.
• Have we at least found something interesting,necessary, unique to death when we say,Nobody can die my death for me.
  我們是否至少找到一些有趣，必要，獨特的東西，儅我們說“沒有人能代替我死亡。
  耶魯公開課 - 死亡課程節選
• But sometimes it's necessary when you have really big course load
  但是有時候課程量很大的時候這是必要的，
  開放式的課程？ - SpeakingMax英語口語達人

權威例句

• The authorities would act swiftly, and with force when necessary, to quell any such protests.
  ECONOMIST: Uzbekistan's president is returned to office, surprise

• when necessary更多例句

词组短语

短語

• Except When Absolutely Necessary 除非必須
• Only when absolutely necessary 僅僅在絕對必要的時候
• Maintain documentation when necessary 維護所需的文件
• make donations when necessary 在必要的時候捐獻
• Employment when necessary 自如就業

• when necessary更多词组