only when

英 [ˈəʊnli wen]

美 [ˈoʊnli wen]

只有当; 除非

英英释义

adv

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。
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。
Only when you can break free, can a whole new world open up to you.
只有当你打破常规，那么一个全新的世界将向你敞开。
The Bank of England insists that it will cut interest rates only when it is ready
英格兰银行坚持只有条件成熟才会降息。
Such events occur only when the external conditions are favorable.
这种事情只有在外部条件有利时才会发生。
Wife: No, only when he's drunk.
妻子：不，只有当他醉了的时候。
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。
The non-bleed controller uses air only when exhausting the line to the controlled device.
无放流式调整节器只有在通至调节机构的管道排气时，才消耗空气。
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 they got to a safe place, could we regard ourselves as having done our duty.
只有当他们到达安全地方的时候，我们才能认为自己尽到了责任。