| 单词 | 拉发线 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔run〕The tractor ran over a trip-wire.拖拉机驶过时碰上一根地雷的拉发线。英汉大词典〔tripwire〕A wire or line that activates a weapon, trap, or camera, for example, when pulled.拉发线：与武器、陷井或相机相连的电线或线，当线被拉时，将启动武器、陷井或相机美国传统The border fence is fortified with tripwires, anti-tank ditches, spotlights and watchtowers.用警报拉发线、反坦克沟渠、照明灯和岗楼加强边防。剑桥国际 |
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