machinist
	英 [mə'ʃiːnɪst]
美[mə'ʃinɪst]
	    
    考试真题
	
	- But the damage to skill and craftsmanship- that's needed to build a complex airliner or a tractor, or for a worker to move up from assembler to machinist to supervisor - went largely unnoticed.
出自-2013年6月阅读原文