Dique
[计] 双向队列
🗣️ 情景例句
I hate to bring this up, but this is a nonsmoking zone.
对不起提醒一下，这儿是禁烟区。
Off base!
太离谱了吧！
I say, shall we go downtown this evening?
喂，今晚我们上街怎么样？