Bifunctional
a. 具有两种(截然)不同功能的
🗣️ 情景例句
to talk to someone at the bank next week.
下星期与银行的人谈一谈。
No road is long with good company.
途有好伴，不觉路远。
Can you tell me why?
能告诉我什么原因吗？