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单词 key instrument
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key instrument
key instrument n. Dentistry (Obsolete) an instrument for extracting teeth, consisting of a shaft with a transverse handle at one end and a pivoted claw, beak, or hook at right angles to it at the other; = sense A. 14d.
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the world > health and disease > healing > dentistry > [noun] > instruments for extracting teeth
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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.
extracted from keyn.1adj.
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更新时间:2024/9/21 8:15:58