Methonium
三甲季铵
🗣️ 情景例句
I know.
我知道。
I ask him to do the dishes right now.
我要求他立刻洗碗碟。
The officer unscrewed the cap and put the bottle to his nostrils.
海关官员拧开瓶盖，把瓶子放到鼻子底下。