Leucophosphite
[矿]淡磷钾铁矿
🗣️ 情景例句
I'm afraid I stayed too long.
恐怕我呆得太久了。
Send a postcard to me when you arrive in Shanghai.
你到上海以后给我发张明信片。
One of the first jobs when you start work in an office is to learn how to use every piece of equipment.
你在办公室开始工作的第一件事就是要学会怎样使用办公室里的每样设备。