Lanostane
羊毛甾烷
🗣️ 情景例句
Will you come over to help me with the tough job?
您能否来帮助我做这项艰苦的工作？
The mining area is centered large in the north.
那里的采矿区大部分集中在北部。
The trousers are all right; now the jacket; aha, right again!
裤子也合身；再穿上这件上衣；啊哈，又很合适！