Corrosometer
腐蚀性测定计
🗣️ 情景例句
A movie!
电影！
One hour's sleep before midnight is worth three after.
午夜前睡一小时抵得上午夜后睡三小时。
The guy next to me Wrote his name at the top of the paper.
坐在我旁边的那个人只在试卷顶端写自己的名字。