雅思口语素材：好句推荐-举重和负重

发布时间：2016-02-29 编辑：查字典英语网小编

　　If you can hold something up and put it down，it is called weight-lifting; if you can hold something up but can never put it down，its called burden-bearing。

　　举得起放得下的叫举重，举得起放不下的叫负重。

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