| 单词 | face glass | 
| 释义 | > as lemmasface glass   face glass  n. glass for covering or protecting the face, spec. the glass window of a diver's helmet (now chiefly historical). ΘΚΠ the world > movement > progressive motion > moving with current of air or water > movement in or on water > 			[noun]		 > underwater swimming > equipment > parts of face glass1896 face piece1908 1859    Sci. Amer. July 44/2  				A cast metal sash or rim..which receives and supports the face-glass [in the lid of a coffin] when it is cemented in its proper place. 1896    Strand Mag. 12 356/1  				It is useless to butt the face-glass or wildly knock your head against the inside of the helmet. 1911    R. Bedford in  McClure's Mag. July 260/2  				The tender screwed the face-glass into the helmet. 2006    Business Recorder 		(Nexis)	 17 Aug.  				Bullet-proof helmet with face glass protection. < as lemmas  | 
	
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