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。
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。
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。
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。
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。
It is spring only when all the flowers are blooming.
万紫千红才是春。
'Are you jealous?' — 'Only when I'm not in control,' he says, not missing a beat.
“你眼红吗？”——“除非我把持不住自己，”他毫不犹豫地说道。
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。
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 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。