Phosphonium
n. [化]膦
🔁 扩展释义
【化】 磷┹; ┣【医】 ┝
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
How long have you studied English?
你学英语多久了？
Do you want any sugar?
你要放些糖吗？