| 单词 | check | 
| 释义 | check [chek]  COMPUTER SCIENCE A test which is necessary to detect a mistake in computer programming or a computer malfunction.  ENGINEERING A device attached to something in order to limit the movement, such as a door check.  MATERIALS A lengthwise crack in a board.  METALLURGY A minute crack occurring in steel that has been cooled too quickly.  | 
	
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