Polysaccharides
多糖
🗣️ 情景例句
Yes. Here's the survey report issued by the Health Office, which is absolutely reliable.
有。这是由卫生检疫所签发的检验报告，它是绝对可靠的。
Hedges have eyes, and walls have ears.
篱笆有眼，隔墙有耳。
Jim looks at Li Lei's apples. Oh! he says.
吉姆看看李垒的苹果。“噢！”他说