Phosphinylidene
氧亚膦基
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
We are having a party and would like you to come.
我们要开派对，能请您光临吗？
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。