| 1. | The going was very hard over this mountain road .
在这山路上行走很吃力。 |
| 2. | We ran out of juice on the motorway .
我们在高速公路上行驶时汽油用完了。 |
| 3. | Do not walk on the wet cement .
不要在湿水泥上行走。 |
| 4. | Boats sail on the water .
船在水面上行驶。 |
| 5. | Tomorrow would be his last run on the mill creek line .
明天将是他最后一次在密耳科立克线上行驶。 |
| 6. | Trains run on rails .
火车在轨道上行驶。 |
| 7. | For an hour they moved along vast desolated plain .
他们在一片满目荒败的广漠平野上行驶了足有一个钟头。 |
| 8. | Violence, on the field and in the stands, dogged soccer's heels .
赛场上动作粗野，看台上行凶斗殴的现象却在足球比赛时连连发生。 |
| 9. | More services become economically feasible when large numbers of people are crowded into cities .
由于大量人口涌向城市，兴办更多的服务项目在经济上行得通了。 |
