Galactosaminide
氨基半乳糖苷
🗣️ 情景例句
I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厌其烦地给我解释去那里的最佳途径，我对些深表感激。
How long have you studied English?
你学英语多久了？
He holds a position of great responsibility upon him.
他担任着一个责任重大的职务。