Ultraphosphate
过磷酸
🗣️ 情景例句
The important thing is that you tried.
重要的是你已经努力过了。
What's your nationality?Are you American?
你的国籍是什么?你是美国人吗？
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。