Back-diagonal
[計] 反對角線
?? 詞語組成解析
back
[b?k]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背書于;下賭注于;
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'?g?nl]
n. [數]對角線;斜線;斜列;斜紋布;
adj. 對角線的;斜線的;斜的;斜紋的;
??? 情景例句
Then, please tell him that Zhao Li called.
這樣好了，請轉告他趙力來過電話。
Do flying saucers really exist?
飛碟真的存在嗎？
I even went out at midnight with a torch and noted with satisfaction (and surprise) that the ants were still swarming around the sticky tape without being able to do anything about it.
半夜，我還拿著電筒來到花園里，滿意地（同時驚奇地）發現那些螞蟻還圍著膠帶團團轉。無能為力。