Bipositive
[医] 二正[原子]价的
🗣️ 情景例句
Hmm. It's probably nothing.
嗯， 也许没什么事。
At twelve o'clock midnight people blow horns, yell, and kiss each other to welcome in the New Year.
到了午夜十二点，大家都吹吹喇叭、高声喊叫、相互接吻来庆祝新年。
The winning car reached a speed of forty miles an hour -- much faster than any of its rivals.
获胜的那辆车达到了时速40英里--远远超过任何对手。