Phosphoramide
磷酰胺
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
When you go to buy, use your eyes not your ears.
你去购买东西时，要用眼睛莫用耳。
Hello! Are you Weihua?
你好！你是魏华吗？