| 单词 | trigger | 
| 释义 | trig·ger    (trĭgər)n. 1.  a.  The lever pressed by the finger to discharge a firearm. b.  A similar device used to release or activate a mechanism. 2.  Something that precipitates a particular event or situation. 3.  Electronics   A pulse or circuit that initiates the action of another component. tr.v.  trig·gered, trig·ger·ing, trig·gers  1.  To set off; initiate: remarks that triggered bitter debates; allergens that trigger asthma attacks. 2.  To fire or explode (a weapon or an explosive charge). [Dutch trekker, from Middle Dutch trecker, from trecken, to pull.]  | 
	
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