Phosphonate
膦酸盐, 膦酸酯
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
It's most valuable.
这最有价值。
When he was decorating his house, he had gotten the bedroom painted first.
他装修房子时，先刷了卧室。