Densifying
致密化
🗣️ 情景例句
Grandpa! Grandpa!
爷爷！ 爷爷！
Turn up your radio please.
请你把收音机开响一点儿。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。