Mannosans
[化] 甘露聚糖
🗣️ 情景例句
We'll know when tonight's papers come out.
今晚的报纸出来的时候， 我们就知道了。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
No, thank you. Tom.I've already had lunch.
不，汤姆，谢谢。我已经吃过饭了。