在过去的五十年里发生了巨大变化。
科学在过去的五十年内有很大的进步。
Science has made great advances during the last fifty years.
在过去的五十年里，我们的期望已经改变了。
在过去的五十年中出现了许多种新的疾病。
Many new diseases have been discovered in the last fifty years.
我们国家在过去的五十年中经历了巨大的变化。
Our country has experienced great changes in the last fifty years.
在过去的五十年中死海失去了百分之三十三的表面积。
The Dead Sea lost thirty-three percent of its surface area during the last half -century.
在过去的五十年里，只有少数人由于叛国罪被审问过。
Only a few persons have been tried for treason in the past 50 years.
在过去的五十年里每个家庭在院子里建造了属于自己的附加小厨房。
Over the past five decades each family built a small add-on kitchen in the courtyard.
在过去的五十年里每个家庭在院子里建造了属于自己的附加小厨房。
Over the past five decades each family built a small add-on kitchen in the courtyard.
应用推荐