单词 | basic materials |
例句 | DEFINITIVE EXAMPLES 权威例句〔stifle〕Shortages of basic materials stifled economic growth.基本原料的匮乏抑制了经济发展。英汉大词典〔vinyl〕Any of various compounds containing the vinyl radical, typically highly reactive, easily polymerized, and used as basic materials for plastics.含乙烯基的化合物:含有乙烯基因子的化合物之一,典型地具有高度活性,易被多结构化,是用作塑料制作的基本材料美国传统 |
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