| 单词 | trailer | 
| 释义 | trailer [`trā·lǝr]  ELECTRONICS A bright streak at the right of a dark area or dark line in a television picture, or a dark area or streak at the right of a bright part; usually due to insufficient gain at low video frequencies.  MECHANICAL ENGINEERING The section of a semitrailer that is pulled by the tractor.  | 
	
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