✅ 同义词
🗣️ 情景例句
until I have a chance to talk with you about it.
除非我有机会跟你谈过。
In universities,students train to become teachers and engineers.
在大学里，学生们被训练成为教师和工程师。
People travelling long distances frequently have to decide whether they would prefer to go by land, sea, or air.
出远门的人常常需要决定是走旱路、水路，还是坐飞机。