释义 |
●ˈonly ifused to state the only situation in which sth can happen 只有…才…◆Only if a teacher has given permission is a student allowed to leave the room. 学生只有得到老师允许才能离开房间。◆Only if the red light comes on is there any danger to employees. 只有红灯亮的时候员工们才有危险。 |