Bijective
[计] 双射的
🗣️ 情景例句
A lot of people would like my help.
许多人要我帮助。
How did you like it?
你喜欢那儿吗？
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。