rear end

基本解释

It covers your middle section, and it covers your rear end.
它盖住了你的中间部分和突起的臀部。
And your gluteus muscles — you know, your rear end, your thighs, your calves — these are things that make for good running, but they also make for good throwing.
此外，你的臀部肌肉，大腿，小腿-这些不仅是让你成为一名良好的奔跑者的东西，它们也让你成为投掷高手。
Because if you are wearing an A-line dress or a shift dress, it will go right past your butt all the way down to your knee, and your rear end doesn't look so prominent.
因为如果你穿着A型裙或连衣裙，它会越过臀部捶到膝盖，所以突出的屁股就不那么明显了。

Because we find in that plane, when objects are left at what you think is at rest with no external agency acting on them, they all slide backwards towards the rear end of the plane.
因为我们发现,在飞机上,当物体掉在地上,你认为它不受外力作用,应该保持静止时,它却朝着飞机的尾部滚去
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