Arcing back
[电] 回弧
🧩 词语组成解析
[机] 电弧作用
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
I remember.
我记起来了。
I enjoyed the movie very much. I wish I had read the book from which it was made.
电影不错，我希望我读过原著。[wish + 主语 = 过去完成时 = 愿望之事在wish以前发生。]
Would you like a cup of tea, Chen Hui?
你想喝杯茶吗？陈慧？