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单词 mouth shield
释义

> as lemmas

mouth shield
mouth shield n.
ΚΠ
1871 Illustr. Catal. Mus. Compar. Zool. at Harvard Coll. VI. 10 Mouth-shields irregular, sometimes in form only of a small swelling.
1876 J. H. Kidder Nat. Hist. Kerguelen Islands ii. 74 This species..[of Echinoderm] differs widely..in the characters of the mouth-papillæ and mouth-shields.
1903 Biometrika 2 473 To all appearance more than one mouth-shield may be capable of performing the function of a madreporic plate.
1960 Monumenta Nipponica 16 95 (note) An oriental barber who knows his manners will wear a mouth-shield while attending to his tonsorial business.
1987 Washington Post (Nexis) 21 Aug. a1 The guidelines also urge medical personnel to use mouth shields when administering mouth-to-mouth resuscitation.
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更新时间:2024/11/11 4:06:24