Usea
[医] 脲, 尿素
🗣️ 情景例句
He seems to be getting on very well at school.
他在学校似乎过得很好。
With my heart in my boots, I went into the dark room.
我战战兢兢地走进那黑洞洞的房间。
Instead of being five new family members, these children had immediately become a commodity.
这些孩子立即成了商品，而不是5个新的家庭成员。