Back emission
[电] 反放射
🧩 词语组成解析
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
Well, maybe you could come next week sometime.
那样的话，也许你可以在下个星期的某个时候来。
The history paper was really easy, so was the biology one.
历史试题确实容易，生物试题也很容易。
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，