Abcd
abbr. 加快收寄投递系统（Accelerated Business Collection and Delivery）
🗣️ 情景例句
I'm planning to run for the school board.
我打算竞选联合校董会董事。
Reading makes a full man.
读书长见识。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。