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His mouth felt like an instrument that was separate from the rest of him.
他感觉自己的嘴就是个工具，和身体的其他部位分开了。
youdao
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Separate these errors, the instrument can be revised properly.
将这些误差进行分离，可以指导仪器的的校正；
youdao
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Separate these errors, the instrument can be revised properly.
将这些误差进行分离，可以指导仪器的的校正；
youdao