| 单词 | 底火 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔hammer〕The part of a gunlock that hits the primer or firing pin or explodes the percussion cap and causes the gun to fire.击铁，击锤：枪机中用来击发底火或击动撞针以击穿火帽，使得枪炮得以发射的部分美国传统〔primer〕A cap or tube containing a small amount of explosive used to detonate the main explosive charge of a firearm or mine.雷管，底火，导火线：装有少量爆炸物的帽或管，用来引爆枪炮或地雷、水雷等美国传统〔primer〕The weapons still contain trace amounts of primers or detonation devices.这些武器仍带有少量底火或引爆装置。外研社新世纪 |
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