Optic recess
[医] 视隐窝
🧩 词语组成解析
optic
['ɔptik]
adj. 眼睛的，视觉的;光学的;镜片;
recess
['risɛs]
n. 休息;隐蔽处;（山脉，海岸等的）凹处;壁凹，壁龛;
vt. 把某物放在凹处;制造凹陷;（暂时）休会，休课，休庭;
vi. 休息，休会，休庭;
cede, ceed, cess 表示走,让步#词根助记：re向后+cess行走
🗣️ 情景例句
since this is so easy ....
既然那么简单……
How much does a round trip ticket to go there cost?
一张去那边的往返票要多少钱？
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.
此后不久，英国著名的“挑战者”号舰艇对海底的那次考察，把对海床的研究确立为一个值得一流物理学家和地质学家从事的研究课题。