| 单词 | mouth-hole | 
| 释义 | > as lemmasmouth-hole   mouth-hole  n. ΚΠ 1683    J. Pettus tr.  L. Ercker  i. iii. 10 in  Fleta Minor  i.  				Leave in the sides [of the assay-oven] Wind-holes, and in the fore-part leave also a Mouth-hole. 1770    J. Smeaton Rep. Late John Smeaton 		(1797)	 I. 263  				The windows may..be placed..nearer the pipe mouth-holes. 1883    Cent. Mag. Feb. 506/1  				Their faces were covered by horrible, ghastly, white masks, with square, black eye and mouth-holes. 1976    Early Music 4 461/2  				The greatest external diameter is in the region of the mouth-hole, and the tube gently narrows above and below this point. 1993    R. Rankin Bk. of Ultimate Truths 		(BNC)	 78  				I've had him put in a strait-jacket and one of those leather masks with the little bars over the mouth hole. < as lemmas  | 
	
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