A brooch is a small piece of jewellery which has a pin at the back so it can be fastened on a dress, blouse, or coat.
英漢詞典釋義
n.
胸針, 飾針
a silver brooch with ruby insets鑲嵌紅寶石的銀胸針The brooch has little intrinsic value.這枚胸針沒有一點實質的價值。Her brooch caught the rays of the setting sun.落日余暉照射在她的胸針上。She was wearing a small silver brooch.她戴著一枚銀質的小胸針。