Monoprotic
一元的
??? 情景例句
Why don't you tell us about your day.
何不告訴我們你這一天過得如何？
Yes,I think it does.
是的，我認為它是我的。
Oh, hello, Lin Tao. Fine, thanks. What about you?
噢，你好，林濤。很好，謝謝。你好嗎？