Dique
[计] 双向队列
🗣️ 情景例句
She said she'll call you later.
她说她等会儿给你电话。
What part of the world do you come from?
你从世界的哪部分来的？
It had broken down the previous summer, and though I promised to repair it, I had never got round to it.
那台割草机去年夏天就坏了，尽管我答应修，但一直没抽出时间，