1. But by the time Julius Caesar became the ruler of the Roman Empire, the calendar had been very badly mixed up.
    到了恺撒大帝成为罗马帝国统治者的时候，历法已经变得混乱不堪。

2. The Pope is the supreme leader of the Roman Catholic Church.
    教皇是罗马天主教的最高领袖。

3. The Pope is the supreme leader of the Roman Catholic Church.
    教皇是罗马天主教的最高领袖。

4. The temple which the archaeologists explored was used as a place of worship from the fifteenth century B. C. until Roman times.
    考古工作者考察的这座庙宇从公元前15世纪直到罗马时代一直是祭祀祈祷的场所。

5. These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
    那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。

6. Roman physicians described the chills and fevers and recurring attacks of malaria, noting that it was most frequent in low, marshy areas.
    罗马时代的医生描述了疟疾患者的周期性寒热，指出它多发生在低洼沼泽地带。