| 1. | The shelleys moved restlessly from place to place . 雪莱一家经常到处迁徙。 |
| 2. | Some birds migrate as season changes . 有些鸟随季节迁徙。 |
| 3. | It created freedom of movement and of vocational choice . 它创立了迁徙自由和选择职业的自由。 |
| 4. | Many of the irish went over to america during the famine . 很多爱尔兰人在饥荒期间迁徙到了美国。 |
| 5. | It foundered during the turmoils accompanying the great migrations . 它在随着民族大迁徙而出现的混乱中崩溃。 |
| 6. | At present, obviously, nevertheless, he was not likely to displace himself . 但时至今日,很清楚,他不可能再迁徙了。 |
| 7. | Some creatures find safety in numbers and travel in flocks, schools or herds . 有些动物群集而居,迁徙时成群结队以求安全。 |
| 8. | Most social scientists investigating mobility consider it from one of two perspectives . 大多数研究迁徙问题的社会科学家是从两个角度之一着手研究的。 |
| 9. | There is no evidence in support of the theory that metal-culture was introduced by a new wave of immigrants . 没有什么证据足以支持关于一次新的迁徙浪潮将引入金属文化的假说。 |
| 10. | All through the developing world the vanguard of the rural exodus has reached the urban fringes already . 在整个发展中的世界里,退出农村而向城市迁徙的先锋已经到达了城市的边缘。 |