I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.
我可以测量它了,因为我把它拉到了一厘米,我发现它对一个已知质量施加的加速度。
I don't know whether I pull it off.
我不知道是否应该停止。
If not, I pull it from the closet in the guest bedroom.
如果没有,我就到客房衣柜里去翻翻。
"Yeah,it has to be South African." "I mean,we've got so many talented South African singers who can actually pull it off.
VOA: standard.2010.05.05
Then, I pull it again by the same amount and let it go; I do it 10 times.
然后,我再用相同的力拉它,再放手,这样做 10 次
I pull it behind my truck,
我在我的卡车后面拖着它,
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