Back-diagonal
[计] 反对角线
🧩 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;
diagonal
[dai'ægənl]
n. [数]对角线;斜线;斜列;斜纹布;
adj. 对角线的;斜线的;斜的;斜纹的;
🗣️ 情景例句
Well, what's going on?
噢， 怎么啦？
You've inherited a large estate!
你继承了一大笔遗产嘛！
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。