Monoprotic
一元的
🗣️ 情景例句
It's a serious matter for a lot of us.
对我们许多人来说这可是个严重的问题。
Which American singer do you like to listen to?
你喜欢哪个美国歌星的歌曲？
Here are the quotations that you asked for.
这是你的报的价。