Mannosans
[化] 甘露聚糖
🗣️ 情景例句
People who don't smoke think that cigarettes stink.
不吸烟的人认为烟的味道很差。
Christmas falls on a Friday this year.
今年的圣诞节是星期五。
The weather was very cold, and many people were ill.
天气非常冷，很多人生了病。