Cellopentose
纤维五糖
🗣️ 情景例句
Am I glad to see you!
我看到你， 真的很高兴！
Mr. Jones spent his undergraduate days at Columbia.
琼斯先生在哥伦比亚大学渡过了他的大学时代。
I've got to start working out.
我必须开始做健身运动了。