1570s, "pertaining to the breast," from Latin pectoralis "of the breast," from pectus (genitive pectoris) "breast, chest," from PIE root *peg- "breast."
pectoral (n.)
early 15c., "ornament worn on the breast," from Middle French pectoral and directly from Latin pectorale "breastplate," noun use of neuter of adjective pectoralis (see pectoral (adj.)).
As a shortened form of pectoral muscle, attested from 1758. Slang shortening pec for this is first recorded 1966. Related: Pectorals; pecs.
双语例句
1. He walked among the displaced contours of her pectoral girdle.
他在她胸肢带骨的变形周线间漫步.
来自英汉非文学 - 科幻
2. He could see their wide, flattened, shovel - pointed heads now and their white tipped wide pectoral fins.
他这时看得见它们那又宽又扁的铲子形的头,和尖端呈白色的宽阔的胸鳍.
来自英汉文学 - 老人与海
3. Its are orderly: The head - cervical - two upper limbs - pectoral abdomen - back - two ham - two crus.
其顺序为: 头部 - 颈部 - 两上肢 - 胸腹 - 背 - 两大腿 - 两小腿.
来自互联网
4. Or at least pectoral fin . But tetrapods, which evolved from fish, did.
但是从鱼类进化来的四足动物却有这种结构.
来自互联网
5. But it's also frustrating not having Darrell Arthur ( pectoral surgery ) here.