Phosphonate
膦酸盐, 膦酸酯
🗣️ 情景例句
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
He feels resentment at the interruption.
他因被人打断而恼怒不已。
What I want to do is different from those of others.
我想做的与别人不同。