单词 | decade |
释义 | dec·ade ![]() n. 1. A period of ten years. 2. A group or series of ten. [Middle English, a group of ten, from Old French, from Late Latin decas, decad-, from Greek dekas, from deka, ten; see dek in the Appendix of Indo-European roots.] deca·dal (dĕkə-dəl) adj. |
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