only when

英 [ˈəʊnli wen]

美 [ˈoʊnli wen]

只有当; 除非

英英释义

adv

There is no rudder as such, so the craft can be steered only when under power.
没有真正的方向舵，所以只有在动力驱动的情况下才能操控船只。
She looked quite young from a distance and only when I saw her at close quarters did I realize how old she really was.
从远处看她显得很年轻，但走近一看，我才明白她已有很大年纪了。
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。
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。
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。
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。
This limits your process to grow only when needed.
这就将您的流程限制为仅在需要时才增长。
Wife: No, only when he's drunk.
妻子：不，只有当他醉了的时候。
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。
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。