It is when the villagers choose a queen.
是时候让村民们选出女王了。
It is when you age much faster then normal.
就是比正常人更快地进入衰老状态。
Think how bright it is when it is switched on!
试想一下，当它打开的时候会发出多大的光亮。
It is when your spirit goes wandering upon the wind.
当你们的灵魂随风飘荡时。
The best time to do it is when the leaves are green.
最好趁着叶子还是绿色时就行动。
Where you may miss it is when trying to quickly control playback.
而当你尝试快速控制播放时，你就会想念触控轮了。
Visually, it is when one cannot tell when one surface ends and another begins.
而在视觉上，就是你无法描述这两个曲面在何处头尾相接。
I believe it is when you are at your most vulnerable that people fall in love with you.
我相信当你在最脆弱的时候，人们会爱上你。
Nobody will know the exact position until Monday, when it is do-or-die for the deal.
没有人在周一之前知道确切的情况—那时将是决定交易胜负的时刻。
这具体在什么时候？
When it is printed out, we should sign and seal.
它打印出来后，我们双方都要签字盖章。
There were no aircraft in 300 B.C., when it is judged the designs were made.
公元前300年还没有飞机，人们判断那时候飞机的设计就已经完成了。
When traveling abroad, it is very necessary to bring some foreign currency with you.
去国外旅行时候，随身携带一些外国货币是很有必要的。
When it is about to withdraw, we let it go from the capital pool.
当它要撤回的时候，我们让它从资金池里退出来。
It is all very well to urge people to give more to charity when they have less, but is it really fair?
这样好倒是好，敦促人们给慈善机构更多东西，当他们自己却没那么多东西的时候，但是这真的公平吗？
This dress is too long—it drags on the ground when I walk.
这连衣裙太长了—我走路时就拖在地上。
How important is it to have an even temperature when you're working?
工作时保持恒温有多重要？
Blood is only expelled from the heart when it contracts.
心脏收缩时，血液才从心脏射出。
The house is a little more dilapidated than when I last saw it.
这幢房子比我上次看到时更破一些了。
When a baby is thirsty, it feeds more often.
婴儿口渴时，吃奶更频繁。
When nuclear fuel is manufactured it is encased in metal cans.
核燃料生产出来时被装在金属罐中。
You should have the sense to take advice when it is offered.
你要知道好歹，别人给你忠告，就该接受。
When hay fever first occurs it is often mistaken for a summer cold.
花粉病刚发作时，常会被误认为是热伤风。
When baby is lying on his front, hold something so that he has to raise his head to see it.
当宝宝趴着时，抓一样东西逗他，这样他就得抬起头来才能看到。
It is vital that you keep accurate records when you are self-employed.
干个体的要准确记录账目，这十分重要。
Mud brushes off easily when it is dry.
泥巴干了容易刷掉。
It is not appropriate to interrupt teachers when they are talking.
在老师们讲话时打断他们是不合适的。
For me, the most fascinating transformation is when it changes its color.
对我来说，最吸引人的变化是颜色的改变。
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