Basoid
碱性胶体, 碱胶基
🗣️ 情景例句
What kind of people do you work with?
你最喜欢和哪类人合作？
Tom's been feeling blue ever since his divorce.
自离婚以来，汤姆一直很忧郁。
He turned to the police officer.
他转过身对警官说