Phosphonic
a. 膦的, 膦酸的
🗣️ 情景例句
Good-bye. And hope to see you soon.
再见。希望很快再见到你们。
Inside the packet is some money.
小红包里装着些钱。
Bob has always had a crush on Lucy.
鲍伯一直在爱着露茜。