In front of us, we had a simple picture of a man sitting in a chair, except the man was upside down.
在我们眼前的这幅画，是个男人坐在一张椅子里。不过，现在他是头向下，脚朝天。
Something so simple as proper chair height can prevent injuries.
简简单单调整一下椅子的高低就可以避免劳损。
A chair is an object of simple construction.
椅子是结构简单的物件。
A chair is an object of simple construction.
椅子是结构简单的物件。
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