Challenge-response
挑战-应答
🧩 词语组成解析
challenge
['tʃælɪndʒ]
n. 挑战;盘问;质疑;怀疑;
vt. 质疑;向…挑战;
vi. 提出挑战，要求竞赛（或竞争）;驳斥;
🗣️ 情景例句
And very good-looking, like his mother.
也很漂亮 ，像他妈妈。
By the street of Bye and bye one arrives at the house of Never.
迁延因循，一事无成。
I've chosen the main actors and we intend to put it on next January.
我已经选好了主要演员，打算在明年1月上演。