Biconditional operation
[计] 同操作, 双态操作
🧩 词语组成解析
[计] 双条件的, 双态的
🗣️ 情景例句
Language is her strength, math is her weakness.
语言是她的强项，数学则是她的弱门。
You have to change at chicago station.
你必须要在芝加哥站转车。
No, we must stay here and find our lunch.
“不，我们必须留在这儿并找到我们的午饭！”