| 释义 |
safety pinn.（名词）- A pin in the form of a clasp, having a sheath to cover and hold the point.安全别针：夹子形状别针，有盖住和掐住尖端的鞘
- A pin that prevents the premature or accidental detonation of an explosive device, such as a bomb or grenade.保险针：为防止爆炸装置（如炸弹或手榴弹）提前或意外爆炸的一种别针
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