buttock
buttock — 名詞
- buttocksingular
- buttocksplural
1. One of the two rounded, fleshy parts at the lower back of the body that a person
臀部一側
臀部兩側的其中一側
One of the two rounded, fleshy parts at the lower back of the body that a person sits on.
Diego landed awkwardly during the game and felt a sharp pain in his right buttock.
Diego 在比賽中著地不穩，感到右側臀部一陣劇痛。
collocation: right / left buttock to specify one side
The physiotherapist showed Keiko some stretches to strengthen her buttock muscles.
物理治療師教 Keiko 一些能強化臀部肌肉的伸展動作。
collocation: buttock muscles as an anatomical group
After sitting on the hard floor for an hour, Fatima's buttock had gone completely numb.
在硬地板上坐了一個小時後，Fatima 的臀部完全麻掉了。
Injection sites on the upper outer buttock are commonly used for certain vaccines.
臀部外上方的注射部位常用於施打某些疫苗。
passive: are used for in medical instructions
Amir's bicycle seat was so uncomfortable that it bruised his left buttock.
Amir 的腳踏車坐墊太不舒服，把他左側臀部弄得瘀青。
- left buttock
- right buttock
- buttock muscles
- buttock pain
- upper buttock
- buttock injection
- bottom
Everyday informal word for the whole rear; euphemistic and far more common in casual speech (B1)
- bum
Informal, chiefly British; softer and more child-friendly than 'buttock' (A2)
- butt
Informal, chiefly American; common in everyday conversation (B1)
- cheek
Specifically one side of the bottom; informal but more polite than 'buttock' (B2)
文法句型
plural form 'buttocks' for the whole area; singular 'buttock' for one side
用法筆記
Usually plural (buttocks) when referring to the whole rear area. The singular buttock explicitly names one side — useful in medical, fitness, or injury contexts where the left and right sides need to be distinguished.