| 1. | They may also have used wood and skins .
他们还可能使用过木头和兽皮。 |
| 2. | The damp wood crackled and sparked .
潮湿的木头噼啪作响并爆出火花。 |
| 3. | He dragged out the log and laid it down .
他把那根木头拖出来放下。 |
| 4. | They rafted the logs down the river .
他们将木头绑成木排顺河运送。 |
| 5. | We ran out of coal , and had to burn wood .
煤烧完了，只好烧木头。 |
| 6. | A book remains shut is but a block .
一本书留着不翻开只不过是一块木头。 |
| 7. | We watched the logs floating towards the mill ..
我们看着木头朝磨坊漂去。 |
| 8. | The wood must be split up for fuel .
必须把这块木头劈开作燃料。 |
| 9. | A log was swinging toward me .
一根大木头正晃来晃去照着我来了。 |
| 10. | The wood is held in position by a clamp .
木头用钳夹固定住了。 |
