Levoglucosan
(=levulose)左旋葡聚糖
??? 情景例句
Mary, I'm glad you called me.
Mary，很高興你給我打電話。
Save while you may, no morning sun lasts a whole day.
能節儉時就節儉，朝陽難照一整天。
and I will argue with him, as an equal, if I think he is wrong.
如果我認為他們錯了，我就以平等的身份和他們爭個明白。