单词 | hebdomad |
释义 | heb·do·mad (hĕbdə-măd′) n. 1. A group of seven. 2. A period of seven days; a week. [Latin hebdomas, hebdomad-, the number seven, from Greek, from hebdomos, seventh, from hepta, seven; see sept in the Appendix of Indo-European roots.] |
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