V to reduce the size of the aperture of (a camera lens) 缩小光圈
Usually one can first meter using a larger aperture (so that the metered exposure time is under 30 seconds), then stop down as necessary and multiply the exposure time accordingly.
通常,你可以用大点的光圈测光(这样,测量的曝光时间就在30秒以内),随后缩小光圈,相应地增加曝光时间。
In order to protect forests, we must plant trees and stop cutting forests down.
为了保护森林,我们必须种树并且停止砍伐。
The bus slowed down for the next stop.
那辆公共汽车慢下来准备停靠下一站。
There are places to stop along the road to look at the fields and forests down below and far in the distance.
VOA: special.2009.07.20
If it's there, I'm done, if not, I keep walking down, and I only stop when I get to a place where the element I'm looking for is smaller than the value in the list., in which case I know the rest of this is too big and I can stop.
并且保持遍历,我只在当当前位置的数组元素,大于目标数时停止,这意味着剩下的元素都比目标元素大,但是其他的情况,我还是要遍历完整个数组。
But 00:55 you stop and we will have people collect them either down here or at the back.
但是在00:55你要停下来,我会找人收卷的,在这儿,或者在最后面。
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