Phosphonate
膦酸盐, 膦酸酯
🗣️ 情景例句
I have something for you. I made it myself.
我有件东西给你们， 是我亲手做的。
Quietude is the crown of life.
安静是生命的皇冠。
Nice to see you. Please come in. This way, please.
很高兴见到你，进来吧！请这边走。