Rubberlith
橡胶用锌钡白, 立德粉
🗣️ 情景例句
What I really want is the chance to learn some advanced methods of management.
我真正希望的是有机会学到一些先进的管理方法。
Remember me to your father please.
请替我问候你的父亲。
It was my first flight. I was nervous when the plane took off.
我第一次坐飞机，起飞时我有点紧张。