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Mucous membranes or breaks in the skin were likely alternative entryways into the body.
粘膜或者皮肤上的破裂处都可能成为病毒入侵的通道.
词典精选例句
Mucous membranes or breaks in the skin were likely alternative entryways into the body.
粘膜或者皮肤上的破裂处都可能成为病毒入侵的通道.
词典精选例句
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