1. Without something of this kind, searching for intelligences on other planets would be like trying to meet a friend in London without a pre-arranged rendezvous and absurdly wandering the streets in the hope of a chance encounter.
    没有这手段，要想寻觅其他星球上的智力生命，就如同去伦敦见一位朋友，事先未约定地点，而荒唐地在街上游逛，以期待碰巧遇上一样。

2. He was wandering on the pavement.
    他在人行道上徘徊。

3. "Well," said the constable, "It´s very strange that you should be wandering about at this hour — and outside this shop.
    “嗯。”巡警说，“奇怪的是你竟在这个时间，而且在这珠宝店外转来转去。

4. I was wandering through the streets when I caught sight of a tailor´s shop.
    我正在街上徘徊, 忽然看见了一家服装店.

5. I was wandering through the streets when I caught sight of a tailor´s shop.
    我正在街上徘徊, 忽然看见了一家服装店.

6. I was wandering through the streets when I caught sight of a tailor´s shop.
    我正在街上徘徊, 忽然看见了一家服装店.

7. I was wandering through the streets when I caught sight of a tailor´s shop.
    我正在街上徘徊, 忽然看见了一家服装店.

8. In those days wandering minstrels were welcome everywhere.
    当时浪迹天涯的吟游诗人到处都受欢迎.

9. In those days wandering minstrels were welcome everywhere.
    当时，浪迹天涯的吟游歌手到处受欢迎，