Levulosan
[医] 果聚糖
🗣️ 情景例句
He is a good speaker of English.
他英语说得非常流利。
I would like you to call me.
我要你打电话给我。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，