Aldoniolactone
醛糖内酯
🗣️ 情景例句
What's that?
什么问题？
I guess that's Ok. What time should I check in?
我想这正合适。我应该什么时候去办理登机手续呢？
Yes, your last shipment wasn't up to par.
嗯，你上次送去的货没有达到标准。