Vortex coccygeus
[医] 尾毛涡
🧩 词语组成解析
vortex
['vɔ:teks]
n. [航]涡流;[物]涡旋;（动乱，争论等的）中心;旋风;
[医] 尾骨肌
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
We waved until the car was out of sight.
我们挥手直到汽车消失。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.
虽然人类有智力和道德上没有得到普遍提高，但在知识积累方面却取得了巨大的进步。