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
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
The days are getting longer.
白天越来越长了。
We need three times as much as we originally ordered.
原来的三倍。