C5
[医] 溴化五烃季胺, 溴化次戊基三甲季铵
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
Would he have seen you if you hadn't waved to him?
如果你没向他招手他会看见你吗？
It doesn't matter.
没关系。