Biconditional
[计] 双条件的, 双态的
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
She never showed up.
她一直没有出现。
We are late already.
现在就已经晚了。