Answer-back device
[计] 应答装置
🧩 词语组成解析
answer
['ænsɚ]
vt.& vi. 答复; 解答; 答辩;适应;
n. 回答;答案;反应;足以媲美的人;
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
Years of work went into these pictures.
多年心血换来这些照片。
Being on sea, sail; being on land, settle.
随遇而安。
The film itself wasn't good but I liked the music.
电影本身不怎么样，但音乐还不错。