Two middle body shape work by turns, which improve the production efficiency.
两个中间人像模交替工作，大大提高生产效率；
Middle of the night here but my body is confused.
现在应该是午夜时分，我的身体却还处在混乱的状态。
The body was weak, as if not careful it will break down the middle.
那柔弱的身躯，仿佛不小心就会拦腰折断。
The water was not over his head, only half way to the middle of his body.
水并没有过他的头顶，只是到了他的腰部。
Oxygen free radicals are middle products of the normal metabolism in human body.
氧自由基是机体正常代谢的中间产物。
Oxygen free radicals are middle products of the normal metabolism in human body.
氧自由基是机体正常代谢的中间产物。
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