Graface
石墨-二硫化钼固体润滑剂
🗣️ 情景例句
I was really worried.
刚才我真的很担心。
Would you light my cigarette?
你能替我点燃香烟吗？
We have special river birthday parties in the summer.
夏天，我们为这条河举办特殊的生日宴会。