Bipositive
[医] 二正[原子]价的
🗣️ 情景例句
Any time.
随时效劳。
Me too. I was hoping we could put this bicycle together for Tom's birthday.
我也希望如此，我本来希望买这辆自行车做为送给汤姆的生日礼物。
You have my word.
我保证。