Quadrivalency
n. 四价
🗣️ 情景例句
That politician was involved in too many sex scandals when he was in power.
那个政客在任期间牵涉进太多的性丑闻之中。
Now, I'd be happy to answer your questions.
现在，我乐意答复你们的问题。
Sure! Jim's coming, too.
当然可以！吉姆也要来的。