pectorals
['pektərəlz]
n.
胸鳍，胸肌( pectoral的名词复数 );
例句:
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I was required to hold out my arms and flex my pectorals.
我被要求伸展手臂，收紧胸肌。
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His dorsal fin was down and his huge pectorals were spread wide.
它的脊鳍朝下耷拉着,巨大的胸鳍大张着.
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Train pectorals, Triceps, Frontal deltoids. Develop upper body, improve body shape.
练习胸大肌, 肱三头肌, 三角肌前部. 发展上肢肌肉, 改善形体.