傳染源

名词 CEFR C2

ʈ͡ʂʰu̯än³⁵ ʐän²¹⁴⁻²¹ ɥɛn³⁵

释义

疾病傳染的源頭

精通
该词属于CEFR C2词汇——精通水平。

See all C2 中文 words →

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