breastpin

例句：

1. 1. She wore a beautiful breastpin on her wedding day.
   她在婚礼当天佩戴了一枚美丽的胸针。
2. 2. The bride's mother gave her a delicate breastpin as a symbol of love.
   新娘的母亲给她一个精致的胸针作为爱的符号。
3. 3.He pinned up his shirt with a small breastpin to keep it from falling open.
   他用一个小胸针把衬衫别起来，防止它滑落。