| 单词 | iron sponge | 
| 释义 | > as lemmasiron sponge   iron sponge  n. = sponge-iron n. at sponge n.1 Compounds 3a. ΚΠ 1855    Industry of Nations II. 		(S.P.C.K.)	 i. 28  				A substance more remarkably distinguished for its peculiar physical properties than its industrial value, was the iron sponge of a French exhibitor, M. Chenot. 1919    Canad. Mining Jrnl. 40 207/1  				The earliest workers in iron must have been familiar with iron sponge in their crude forges. 2011    Egyptian Gaz. 		(Nexis)	 9 Apr.  				The two officials are charged with providing Ahmed Ezz, free of charge and outside the required public auction, with a license to produce iron sponge. < as lemmas  | 
	
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