| 词汇 | hammer |
| 词根词缀 | 词源： O.E. hamor, from P.Gmc. *khamur. The O.N. cognate hamarr meant "stone, crag" (it's common in Eng. place names), and suggests an original sense of "tool with a stone head," from PIE *komor- "hammer," from base *akm- "sharp (stone)," cf. Slav. kamy, Rus. kameni "stone." The verb is first attested c.1430. Hammerhead shark is from 1861. 词根记忆： n. 铁锤,槌,榔头v.锤击,敲打The sum of the hammers is made in the summer summary.锤子总额在夏季总结里作了统计. |
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