Taches vierge
[医] 环状斑(细菌培养基上的无菌圆点)
🗣️ 情景例句
I'm dependent on caffeine.
我对咖啡因上瘾。
The teacher was not at all happy with his students.
那位老师对他的学生毫不满意。
The mother sat the child at a little table.
母亲安排孩子坐到小桌旁。