Levoglucosan
(=levulose)左旋葡聚糖
🗣️ 情景例句
Yes, Richard.
说吧， Richard。
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
He won an election.
他在选举中获胜。