| 单词 | key instrument | 
| 释义 | > as lemmaskey instrument ΘΚΠ the world > health and disease > healing > dentistry > 			[noun]		 > instruments for extracting teeth tooth-iron1483 pelican1598 tooth-drawer1598 dog1611 snap1611 plychon1688 pullikins1688 screw pelican1688 tooth-wrest1706 pounce1742 key instrument1762 key1774 punch1826 tooth-key1827 tooth-forceps1844 turnkey1855 1762    Brit. Mag. Nov. 564/1  				The key-instrument almost always breaks the external side of the socket. 1845    C. A. Harris Princ. & Pract. Dental Surg. 		(ed. 2)	  iii. iv. 276  				The author has tried almost every variety of key-instruments that have been used in this country. 1922    Dental Digest Aug. 516  				A few months ago a key instrument bearing the date 1824 was in use near Shanghai. < as lemmas | 
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