buttocks
n. （常复数）臀部
近义词：behind，rump，backside，bottom，rearend，bum，rear，tooshie，keister，arse，butt，tail，prat，derriere，fundament，seat，nates，can，tailend，hindquarters，ass，posterior，tush，stern，Fanny，buns，
英英释义
Noun
- the fleshy part of the human body that you sit on;
"he deserves a good kick in the butt" "are you going to sit on your fanny and do nothing?"
例句
用作名词(n.)
- Desire a larger set of boobs or buttocks?你想要更大的乳房或臀部？
- Pain is most severe in the lumbosacral area and may radiate into the buttocks.腰骶部疼痛最重，并可放射至臀部。