Mannosans
[化] 甘露聚糖
🗣️ 情景例句
Excuse me, Susan.
对不起 ，Susan。
It hurts right here.
就这儿疼。
The children were leaving school on Tuesday when they saw a truck.
星期二，孩子们正放学回家，这时，他们看见一辆卡车。