Phosphonate
膦酸盐, 膦酸酯
🗣️ 情景例句
The train is just up the street.
地铁车就在街的那一头。
I'm glad to, but I'm afraid I don't have the time.
我很乐意，但我恐怕没时间。
At this, the police pointed out ironically that this would hardly be necessary as the men were already under arrest.
警察听后讥讽地说，这大可不必，因为他俩已被逮捕了。