Levoglucosan
(=levulose)左旋葡聚糖
🗣️ 情景例句
Craft and Craft.
Craft and Craft。
Will Martha's consent to her marriage?
玛莎的双亲会赞成她的婚事吗？
Open the window and air the room.
打开窗子，给房间通通风。