痰液的出现也显示了从含水泡沫状痰液到粘液痰液到粘膜粘液痰液的过程。

The appearance of sputum also showed the process from watery frothy sputum to mucus sputum to mucopuraleat sputum.

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痰液的出现也显示了从含水泡沫状痰液到粘液痰液到粘膜粘液痰液的过程。

The appearance of sputum also showed the process from watery frothy sputum to mucus sputum to mucopuraleat sputum.

youdao