Teabrom
[医] 溴化四乙铵
🗣️ 情景例句
Oh, it's OK.
噢 ，没关系。
I know the boy whose father is a missionary.
我知道那个男孩的父亲是传教士。
I knew that experts from the local museum would soon visit the cave.
我知道本地博物馆的专家会很快到山洞来探访。