| 单词 | tick | 
| 释义 | tick [tik]  COMMUNICATIONS A pulse broadcast at 1-second intervals by standard frequency and time broadcasting stations to indicate the exact time.  COMPUTER SCIENCE A time interval equal to 1/60 second, used primarily in discussing computer operations.  INVERTEBRATE ZOOLOGY Any arachnid comprising Ixodoidea; a bloodsucking parasite and important vector of various infectious diseases of humans and lower animals.  | 
	
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