Kodaloid
硝酸纤维素
🗣️ 情景例句
Lillian! Oh, my gosh!
Lillian！噢， 我的天啊！
Do you think the patient can be cured?
你认为病人能被治好吗？
I am very impressed with her English. It was good.
我对她讲的英语印象很深。很流利。