pin puller

例句：

1. 1.She used a pin to hold her dress together.
   她用别针把裙子固定在一起。
2. 2.The doctor gave the patient a pin to help him breathe.
   医生给病人一个别针帮助他呼吸。
3. 3. He put the pin in his pocket and walked away.
   他把别针放进口袋，然后走开了。