Heterooligosaccharide
杂寡糖
🗣️ 情景例句
Thanks for everything, if you ever need a favor in return, just let me know.
感谢你所做的一切，如果你需要我帮忙的话，尽管开口吧。
I'm afraid there's nothing available before noon.
恐怕中午前是没法看了。
Do you speak Chinese?
你会讲汉语吗？