Densifier
增密设备(氯化物处理)
🗣️ 情景例句
It's wonderful!
太好了！
The bird that can sing and won't sing must be made to sing.
生来能唱的鸟，不愿唱也得叫它唱。
Punctuality is a necessary habit in all public affairs in civilized society.
准时是文明社会中进行一切社交活动时必须养成的习惯。