1. Back in the train, we told each other what a wonderful time we had had that day.
    回去的火车上，大家都说，这一天过得真愉快。

2. But it was left to scientists of our own time to develop powerful killers of these hateful micro-organisms.
    但是，研制消灭这些可恶微生物的特效药的责任落在了当代科学家的肩上。

3. By this time people realized how important is the work of surgeons, and great honour was paid to him.
    到了这时人们才认识到外科医生的工作是多么的重要，并给亨特以崇高的荣誉。

4. But he would have to be careful not to offend Crass, the foreman, who could give him the sack at any time.
    但是他得小心，别冒犯了工头克拉斯，因为克拉斯随时都能解雇他。

5. 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。

6. But by that time, an error of about 10 days had again piled up.
    1600年之后，累积出了10天的误差。

7. By the time Ben was tired out, Tom had traded the next chance to Billy Fisher for a kite in good repair; and when he played out, Johnny Miller bought in for a dead rat and a string to swing it with; and so on, and so on, hour after hour.
    等到本累垮了，汤姆早已把粉刷权转让给比利·费希尔，换来一只完好的风筝。比利·费希尔干不下去了，约翰尼·米勒把粉刷权买了下来，代价是一只死耗子，和一条甩着玩的绳子。于是买主一个接着一个地来了，时间也一小时又一小时地过去了。

8. By the time I was sixteen, my daughter's age, his breath was a wheeze, embarrassing to hear; he could not climb stairs without resting every third or fourth step.
    到我16岁, 也就是我女儿现在这般年龄时，他一呼吸就呼哧呼哧的，让人感到不安；他上楼时每走三、四级楼梯就得停下来休息一会儿。

9. By the time we've reached Vancouver, there are very few people left on the train.
    到温哥华的时候，车上只剩下稀稀拉拉的几个人。

10. By the time we reach the Rockies, my parents try to make me look at the spectacular landscapes we're passing by.
    当我们驶近落基山脉时，我父母想叫我看看我们外面的壮丽景色。