Bipositive
[医] 二正[原子]价的
🗣️ 情景例句
Table tennis, I suppose. That's almost our national game. People from all walks play it.
我想应该是乒乓球吧。它几乎是全国性运动，各行各业的人都打。
Let me do some research on this and get back with you tomorrow.
请让我查查看，明天再给你答复。
' If you receive a request like this, you cannot fail to obey it!
”如果你收到这样的恳求，你是不会不遵照执行的！