Orthogonals
(orthogonal 的复数) a. 直角的, 正交的\\nn. 正交直线, 矩形面
🗣️ 情景例句
And tell them you want to go on the tour that goes down into the canyon.
跟他们说你要参加到峡谷里去的旅游团。
A plant may produce new flowers; man is young but once.
花有重开日，人无再少年。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。