Mannosan
甘露聚糖
🗣️ 情景例句
Here they are. Family Album, U.S.A.
就在这里。美国写真！
There is something in what she said.
她说的话里有些重要的东西。
Every night, the man upstairs came back late.
每天晚上，楼上人回来很晚。