基本解释n.胸肌abbr.職業教育中心(=Professional Education Center)同根派生 PEC相关词英汉例句用作名詞 (n.)On the plus side, bench pressing with a wide grip does increase the intensity of pec contraction during the exercise.從積極麪來看，寬握臥推增加胸肌群的專注強度。PEC更多例句