Cascophen
酚醛树脂粘合剂
🗣️ 情景例句
I have a new math program, and I want to learn how to use it.
我有一个新的数学程式 我想学习怎样用。
Do you feel better now?
现在觉得好些了吗？
They have nothing to eat.
他们没有东西吃。