Mucopolysaeccharide
粘多糖
🗣️ 情景例句
Mr Wang, I'd like you to meet my brother, Haitian.
王先生，我想请你见见我弟弟，海天。
Rivers need a spring.
大河要有源头。
I like lamb,but my husband doesn't.
我喜欢羔羊肉，可我丈夫不喜欢。