Lubrizol
[美]留勃里佐尔公司所产添加剂系列
🗣️ 情景例句
I hope he's in a good mood.
我希望他心情不错。
It was after dark when we got back,and we were all tired.
我们回来时天已经黑了，并且我们都很疲倦。
Hi! Nice to meet you, Ling Feng!
很高兴见到你，。