1. But a watch could never repair itself----it does not consist of living parts, only of metal, which wears away by friction.
    但是，手表决不会自行修理，它不是由有生命的部件组成，而是由金属组成，而金属可以随着磨擦而磨损殆尽。

2. This society, he explained, would consist of trained volunteers who would always be ready to travel to the scene of any war that might break out.
    他解释说这一团体应由受过集训并随时准备开赴任何战场去的志愿人员组成。

3. Caesar then decreed that the year should consist of 365 days, but every fourth year an extra day should be inserted at the end of February to make up for the quarter days that were lost.
    恺撒然后颁布命令，规定一年由365天组成，但每隔四年必须在2月底加一天，以补偿每年失去的1/4天。