Threomycin
苏氨霉素(呋喃霉素)
🗣️ 情景例句
Richard has a point. You're just beginning to look. Richard
说得对。你们只是开始看房子而已。
To sing a song
唱歌
The doctor began to operate on the boy.
医生开始给那个男孩动手术。