theory the.o.ry[`θiərI, `θIərI; ˋθiəri]《源自希腊文“观看、熟思”的意思》名词1 a.(U) (对实际而言的) 理论,学理(←→ practice)~ and practice理论与实际economic ~经济理论the ~ of physical education (对实际技能而言的) 体育理论b. (U) [又作a ~] 理论,空谈; 假说It is (a) mere ~.那只是理论Your proposal is all right in ~.你的建议在理论上是正确的2 a. (C)学说,说,论the atomic ~原子说Einstein's ~ of relativity.爱因斯坦的相对论b. [用单数]<…的>说法,学说,…说,…论Columbus helped to explode the ~ that the earth was flat.哥伦布促使认为地球是平的之说法破产3 a. (C)意见,一贯的主张,个人的看法my ~ of life我的人生观b. [用单数]意见,一贯的主张Many people hold to the ~ that smoking is a cause of cancer.许多人坚持吸烟致癌的看法4 (U)‘数学’…论the ~ of probability机率论