| 单词 | hard pitch | 
| 释义 | > as lemmashard pitch   hard pitch  n.				 [originally after classical Latin pix dūra]			 ΚΠ a1398    J. Trevisa tr.  Bartholomaeus Anglicus De Proprietatibus Rerum 		(BL Add. 27944)	 		(1975)	 II.  xvii. lxxviii. 970  				A scrupil þerof [sc. gutta]..helpiþ wel aȝeins þe gowtes ymedlid wiþ hard picche [L. pice dura]. 1553    H. Llwyd tr.  Pope John XXI Treasury of Healthe 		(new ed.)	 sig. M.i  				Make a playster of lynnen coth and hard pitche. 1765    Philos. Trans. 1764 		(Royal Soc.)	 54 10  				On cutting away the fillets which covered the tarsus, the bones adhered strongly together; and were covered with hard pitch. 2000    Fuel & Energy Abstr. 41 209/1  				Coal tar pitch can be suitably processed to produce hard pitch of desired quality. < as lemmas  | 
	
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