1、Look at my pectoralis major, much worse than you!
看看我的胸大肌，不比你差多少！

2、P. pectoralis was discovered to possess complex, multiple and effective defensive behavior.
結果表明：胸窗螢具有復雜的多重防衛(wèi)行為策略。

3、Main chest muscle pectoralis major, minor muscle and intercostal muscles.
深層的肌肉較多，主要有骶棘肌。

4、Cut the fascial scar at the level of the pectoralis fascia.
在胸肌肌膜處將肌膜之疤痕切開。

pectoralis翻譯