这些包括重金属，致癌物资甚至放射性物资在内的残余物，沾满了婴幼儿的双手甚至被他们的呼吸道吸收。当婴幼儿在地板上爬行或者玩耍时，所受的污染尤甚。

The residue includes heavy metals, carcinogens and even radioactive materials that young children can get on their hands and ingest, especially if they're crawling or playing on the floor.

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肌松药的残余阻滞作用是引起术后呼吸功能不全的危险因素之一，已日趋引起重视。

Residual paralysis of muscle relaxation is one of the risk factors of postoperative respiratory dysfunction, which is attracting more attention.

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也许这个时候你需要清除这些过去的残余的迷茫，深呼吸一下，然后再次尝试一种新的态度和方法。

Perhaps you just need to clear away the smoky residue of the past, take a deep breath, and try again with a new attitude and fresh ideas.

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