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- Darwin spend more than twenty year work on his theory of evolution. 达尔文花了二十余年时间研究他的进化论。
- Twenty Year Plan 20年计划
- He has been in practice for twenty years. 他已有20年的实践经验。
- He's been in tin-pan alley for twenty years. 他二十年来一直演奏流行乐曲。
- After twenty year of marriage, she remain barren. 结婚20年，她一直未生育。
- We will go next year plan surely. 我们将定出明年的计划。
- She outlived her husband by twenty years. 她比她丈夫多活了二十年。
- After a quietus of twenty years she returned. 她隐退二十年后又东山再起。
- She survived her husband by twenty years. 她丈夫去世后她又活了二十年。
- She is said to have been an actress about twenty years ago. 据说她在20年以前曾是一位女演员。
- Robert has been employed in the car company for twenty years. 罗伯特受雇在该汽车行工作已有20年了。
- My old watch it still going strong after twenty years. 我的旧手表用了20年后仍然走得很准。
- Great changes have taken place in China in the last twenty years. 在过去的20年中，中国发生了巨大的变化。
- These two countries had three religious wars in twenty years. 这两个国家在20年里发生过三次宗教上的冲突。
- The gang spent a year planning the robbery and then bungled it. 这伙人蓄谋抢劫已有一年之久，然而到头来却失手了。
- A friendship between us dated from twenty years ago. 我们俩的友谊源于二十年前。
- He is helping the coach ready for the five year plan of our team. 帮助教练给我们队拟定一个五年计划。
- The old actor made a successful comeback after twenty years. 那位老演员二十年后卷土重来，马到成功。
- When he was twenty years old, he began to have a moustache. 当他二十岁的时候，他长了胡子。
- The farmer pointed at the abode that he had lived in twenty years. 这个农民指著他曾经住过二十年的泥砖房屋。
