The prototype breath test USES a chemical method to spot markers of cancer present in the breath.

呼吸测试的原理是运用了化学方法将呼吸中的癌细胞标示出。

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The prototype breath test USES a chemical method to spot markers of cancer present in the breath.

呼吸测试的原理是运用了化学方法将呼吸中的癌细胞标示出。

youdao