Bijective
[计] 双射的
🗣️ 情景例句
to do things together more--you and I.
也需要多在一起工作， 你和我。
Where were you yesterday afternoon?
你昨天下午在哪儿？
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。