decade

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柯林斯詞典

decade /?d?ke?d/ (decades)

1. N-COUNT A decade is a period of ten years, especially one that begins with a year ending in 0, for example, 1980 to 1989. 10年 (尤指起始年末尾為0)
...the last decade of the nineteenth century. …19世紀(jì)的最后10年。

劍橋詞典

Air traffic has increased 30% in the last decade.
They predict that a large earthquake will strike the east coast before the end of the decade.
Environmental awareness has increased dramatically over the past decade.
Her acting career spanned almost six decades.
India attained independence in 1947, after decades of struggle .