1·This information is no longer retained within the computer's main memory.
这样的数据不再保留在计算机的主存储器中。
—— 《牛津词典》
2·At least some of the material must have retained the signal unaffected by subsequent changes in the environment.
至少有一些材料肯定保留了不受后续环境变化影响的信号。
3·Most companies that have not been forced into bankruptcy have survived thanks to the high efficiency of the employees they retained, which helped the companies control costs.
大多数没有被迫破产的公司之所以能够幸存下来，是因为他们保留的员工效率很高，这有助于公司控制成本。
4·She retained a number of copies for further annotation.
她为进一步解释保留了好多复印件。
—— 《柯林斯英汉双解大词典》
5·The whale retained a tail and lacked a fluke, the major means of locomotion in modern cetaceans.
这种鲸保留了尾巴，没有现代水生鲸类动物用于行动的主要部位，尾片。