肺细胞约每周新老更替一次。Lung cells die and are replaced about once a week.昼夜更替.Day and night alternate.从事高等教育的人员新老更替极其缓慢。There has been very little renewal of personnel in higher education....
嗯，对了，显然我们的一些听众可能会有些想法。Now, erm, obviously some of our listeners may have some ideas.“对了，”她灵机一动说道，“你干吗不请他们到这儿来？”"Look," she said, getting a brainstorm, "Why don't you invite them here?"我应该把这张纸给你复印一下就对了。I should have ...
Both were remanded on bail by Wrexham magistrates until March 24.两个人都被雷克瑟姆的地方治安官批准保释，直到3月24日审判。From Wrexham centre take the Chester Road to the outskirts of town.从雷克瑟姆市中心出发，沿着切斯特路到达市郊。...
桑给巴尔岛的居民于1964年反抗苏丹统治，随后时局便不断恶化。Zanzibar's fortunes declined after the islanders revolted against the sultanate in 1964.苏丹仍是名义上的参谋长。The Sultan was still nominally the Chief of Staff.作为对最后通牒的回应，苏丹甚至威胁说要动员军队。Sudan even...