The loin is very slightly arched, of medium breadth and muscled.
非常轻微的圆拱, 中等宽度,且肌肉发达.
📖 牛津释义
loin
n
1 [C] (anatomy 解) side and back of the body between the ribs and the hip-bone 腰; 腰部.
2 [C, U] (joint of) meat from this part of an animal (动物的)腰肉, 脊背肉
some loin of pork 猪脊背肉.
3 loins [pl] (dated 旧)
(a) lower part of the body on both sides below the waist and above the legs 胯.
(b) (euph 婉) reproductive organs 下身.
4 (idm 习语) gird one's loins => gird.