painstaking research的用法和樣例：
例句
- The skillful repair of fine lace entails slow and painstaking work.
對精致花邊的熟練修補需要緩慢而極度細心的工作。 - The peasant economy is scattered, and the socialization of agriculture, judging by the Soviet Union's experience, will require a long time and painstaking work.
農民的經(jīng)濟是分散的，根據蘇聯(lián)的經(jīng)驗，需要很長(cháng)的時(shí)間和細心的工作，才能做到農業(yè)社會(huì )化。
