Nonorientable
不可定向的
🗣️ 情景例句
to schedule one hour a week--to start with.
安排一星期一个小时。
The eye that sees all things else sees not itself.
眼睛能看见一切的东西，但看不见自己。
That the equipment of modern camping becomes yearly more sophisticated is an entertaining paradox for the cynic,
现代露营装备一年比一年讲究，这对那些厌世嫉俗者来说是一件有趣的自相矛盾的事情。