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1. 十年，十年期（尤指一个年代)A decade is a period of ten years, especially one that begins with a year ending in 0, for example 1980 to 1989.
1. the cardinal number that is the sum of nine and onethe base of the decimal system
Synonym: ten10Xtenner
2. a period of 10 years
Synonym: decennarydecennium
多通过句子记忆单词，而不是单独死记硬背。
