| 单词 | mouth guard | 
| 释义 | > as lemmasmouth guard   mouth guard  n. 		 (a) a guard worn to protect the mouth of a worker in needle-manufacture (now rare);		 (b) Sport a protector for the mouth used by participants in various contact sports. ΘΚΠ society > occupation and work > equipment > equipment for making other articles > 			[noun]		 > needle-making equipment reed machine1821 mouth guard1852 thumb-piece1891 1852    M. T. Morrall Hist. Needle-making 		(1862)	 25  				A mouth guard, which was approved of and found to answer when used by the needle pointers. 1954    Scholastic Coach Sept. 89/2 		(advt.)	  				Eliminate All Mouth-Teeth-Lip Injuries. A comfortable surgical rubber Mouth Guard that affords 100% protection. 1994    TaeKwonDo Times Apr. 70/1  				The mouth..can be effectively protected by a properly fitting mouthguard. < as lemmas  | 
	
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