Cohydrol
石墨的胶态溶液
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
You ought to have that coat cleaned and pressed.
你应该把那件大衣清洗并且压一下。
I'm doing a word puzzle in this newspaper.
我在猜报纸上的字谜。