Quadrivalency
n. 四价
🗣️ 情景例句
That's something I'd rather not talk about just now.
这些事我现在不想谈论。
What's it like, being and actor?
做为一个演员，你有什么想法？
Just a minute, please. I'm sorry, he's not here right now. Can I ask who's calling?
请稍等。对不起，他现在不在这儿。请问你是哪位？