词汇 | pentagram |
词根词缀 | 词源: "five-pointed star," 1833, from Gk. pentagrammon, properly neut. of adj. pentagrammos "having five lines," from pente "five" + gramma "what is written." 词根记忆: 五角星形(penta+gram写,图→五角形图形)[penta-表示"五"] 词根词缀: pentagram pentagram五角星形(penta+gram写,图=五角形图形) penta-表示”五”pentagon五角形,五角大楼(penta+gon角) pentagram五角星形(penta+gram写,图=五角形图形) pentoxide五氧化物(pent+penta+oxide氧化物) |
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