Pyromucylanhydrin
焦粘酐
🗣️ 情景例句
The match was postponed to the following Saturday because of bad weather.
比赛因天气不好而延期到下个星期六进行。
Could you do me a favor?
我想请你帮个忙。
Certainly, Mum! What shall we cook?
当然啦，妈！ 我们做什么菜？