Costal margin
[醫] 胸肋緣, 肋骨緣
?? 詞語組成解析
a. 肋骨的, 具中脈的\\n[醫] 肋的
margin
['mɑrd??n]
n. 邊緣，范圍;極限;利潤，盈余;（版心外）的空白;
vt. 留邊;成為…的邊;加邊于，圍繞;為…加旁注;
??? 情景例句
and we'll go out to dinner.
然后我們到外面吃晚飯。
It looks like it's going to be sunny.
今天看來像是個晴天。
In the struggle, the strap broke and, with the bag in their possession, both men started running through the trees.
在爭搶中，手提包的帶斷了，包落入這兩個人手里，他們拔腿跑進了樹林。