only when

英 [ˈəʊnli wen]

美 [ˈoʊnli wen]

只有当; 除非

英英释义

adv

• never except when
  1. call me only if your cold gets worse
  Synonym:onlyonly if

双语例句

• Only when each logical step has been checked by other mathematicians will the proof be accepted.
  只有每一逻辑步骤都被其他数学家验证之后，证明才能成立。
• You can apply xsl: if to generate output only when some other condition is true.
  可以应用xsl：if以便只有当其他某些条件满足时才生成输出。
• He was rescued only when an exhausted friend swam ashore
  当一个精疲力尽的友人游上岸后他才获救。
• Only when this is properly done can you really consider making changes in your system.
  仅当正确地完成了这些工作之后，您才可以考虑对系统进行实际的更改。
• Additional content is loaded dynamically, but only when it's needed.
  额外的内容只在需要时动态地装载。
• To reduce contention in the JVM and operating system, use synchronized methods only when feasible.
  为了减少JVM和操作系统中的争用，应该只在可行的情况下才使用同步方法。
• Only when a reservoir is built here can we solve our irrigation problem.
  除非在这里修个水库，才能解决灌溉问题。
• Only when we witness death will we recognize the preciousness of life.
  只有见证了死亡，我们才会真正认识到生命的可贵。
• Only when our theory combines with practice can the former become areliable knowledge.
  只有当理论与实践相结合时，它才变成经得住考验的知识。
• Only when the third opportunity comes will you know clearly what you should do.
  而等到第三次机会，明白的人，一定知道应该怎么做了。