Arc back
[机] 逆弧
🧩 词语组成解析
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
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
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
That house is for sale. It has central heating.
此房出售，房子里有供暖设备。
'You've probably woken up everyone in the village as well.
“也许同时你把村里所有的人都吵醒了。