Variolization
[医] 人痘接种, 天花接种, 引痘
🗣️ 情景例句
For payment we would prefer and L/C.
我们更愿意使用信用证的方式付款。
You ought to have that coat cleaned and pressed.
你应该把那件大衣清洗并且压一下。
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。