safety pin

美 
英 
  • n.(安全)别针;安全销;保险销
  • 网络安全别针;扣针;安全扣针
复数:safety pins  
safety pin
n.
1.
安全别针a pin with a point bent back towards the head, that is covered when closed so that it cannot hurt you

例句

释义:
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,