中文翻译与英英解释

浮肋。

floating:    adj. 1.漂浮的，浮动的，流动性的。 2.【医学】游 ...

rib:    vt. 〔俚语〕开…的玩笑，戏弄。 n. 〔俚语〕开玩笑 ...

Floating ribs are four atypical ribs (two lowermost pairs, XI-XII) in the human ribcage. They are called so because they are attached to the vertebrae only, and not to the sternum or cartilage coming off the sternum.