英语词汇heavy-duty的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	heavy-duty
词根词缀	Online Etymology Dictionary heavy-duty adj. "durable, strong," 1914; see heavy + duty.
随便看	-ophthalmus -opia opiate -opies opin- opine opiniated opinion opinionate opinionated opio- opioid opio-, opi- opisth- opistho- opistho-, opisth- opium opl opo- -opolis opo-, op- op, oper, of op-, opt-, optico-, opsi-, opso-, -opia, -ops, -opsia, -opsis, -opsy, -optic, -opic, -opy op, opt, , opto, ophthalm opossum

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