decades
n. 数十年(decade 的复数)
例句
Italy has been afflicted by political corruption for decades.
意大利受政治腐败困扰已数十年了。
《柯林斯英汉双解大词典》
The diet of the affluent has not changed much over the decades.
富人的饮食数十年来没怎么变。
Animal behaviourists have been studying these monkeys for decades.
动物行为学家已经研究这些猴子几十年了。