Retroclusion
[医] 逆压法, 动脉后针压术
🗣️ 情景例句
Would you like some more ...?
你想不想再来些……
This is a check.
这是一张支票。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。