shell broach

例句：

1. 1. She worea shell broach on her necklace tomatch the earrings.
   她戴着一个贝壳别针的项链来搭配耳环。
2. 2. The shellbroach was a symbol of her lovefor nature.
   贝壳别针象征着她对自然的热爱。
3. 3. He used a shell broach tofasten his shirt before going out.
   他出门前用贝壳别针固定衬衫。