1·The results of her decades' worth of careful observations were detailed paintings and descriptions of European insects.
对欧洲昆虫进行的详尽绘画和描述，是她数十年细心观察的成果。
2·I discovered that decades of investigation have failed to turn up any evidence that homework is beneficial for students in elementary school.
我发现，数十年的调查并没有发现任何证据表明，家庭作业对小学生是有益的。
3·Alan Macfarlane, professor of anthropological science at King's College, Cambridge has, like other historians, spent decades wrestling with the enigma of the Industrial Revolution.
和其他历史学家一样，剑桥大学国王学院人类学教授艾伦·麦克法兰花了数十年时间，试图解开工业革命的谜团。
4·The next generation of astronauts may hurtle through the cosmos for years or decades on a mission to explore distant planets and stars - and never return.
下一代的宇航员可能要在宇宙中执行为期数年或者数十年的任务，以探索遥远的行星和恒星——并且永不归来。
5·These are real attributes of real bosses, culled from decades of observation, which motivate and inspire employees to perform at their best.
这些都是经过数十年的观察总结而来的真的老板的真实写照，激励和鼓舞着员工去做到最好。