n. 后腿, 后半部

hindquarters \hindquarters\ n.
1. the fleshy part of the human body at the back of the hip,
on which a person sits; teh buttocks.

Syn: buttocks, arse, butt, backside, bum, buns, can,
fundament, hind end, keister, posterior, prat, rear,
rear end, rump, stern, seat, tail, tail end, tooshie,
tush, bottom, behind, derriere, fanny, ass.
[WordNet 1.5]

2. the part of a quadruped that corresponds to the human
buttocks.

Syn: croup, croupe, rump.
[WordNet 1.5]