Biconditional
[计] 双条件的, 双态的
🗣️ 情景例句
Loosen up! it's not worth getting upset about.
放松点儿！ 不值得为这件事苦恼。
A little knowledge is a dangerous thing.
浅学误人。
I don't think this is a standard size.
我看这不是标准尺寸吧？