英语词汇trademark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	trademark
词根词缀	Online Etymology Dictionary trademark n. also trade-mark, 1838 (the thing itself attested continuously from 14c., apparently originally the watermarks on paper), from trade, n. + mark, n.1. Figurative use by 1869. As a verb, from 1904. Related: Trademarked; trademarking.
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