游泳可以很好地锻炼胸肌。

Swimming is great for strengthening your ___pectoral muscles.

游泳运动员通常有发达的胸肌。

Swimmers usually have well-developed ___pectorals.

博物馆展出的这件青铜胸甲雕刻着精美的龙纹图案。

The bronze ___pectoral displayed in the museum is carved with exquisite dragon patterns.