英语词汇rucksack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	rucksack
词根词缀	词源： 1866, from Ger. Rucksack, from Alpine dialect Rück "the back" (from Ger. Rücken) + Sack "sack."
随便看	hem hematite hemi- hemicycle hemisphere hemistich hemlock hemoglobin hemophilia hemorrhage hemorrhoids hemp hen hence henceforth henchman hendiadys henge Henley henna Hennessey henotheism Henry hep hepatitis

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