| 1. | Having taken these precautions against surprise, he ascended to the top of the step ladder that he had laid against the door and sat down at ease .
做好这种戒备之后，他就爬到那座拦住门的短梯顶上，安心地坐了下来。 |
| 2. | Shipbuilding and marine structures . rungs for dog - step ladders
造船与海上建筑.标准阶梯级 |
| 3. | Shipbuilding and marine structures - rungs for dog - step ladders
造船和海上建筑物.标准阶梯级 |
| 4. | Shipbuilding . steel dog - step ladders
造船工业.钢制阶梯 |
| 5. | Step ladder polymer
分段梯形聚合物 |
| 6. | Shipbuilding and marine structures ; rungs for dog - step ladders ; identical with iso 9519 : 1990
造船和海上结构接.折线形梯子的梯级 |
| 7. | The sound of cicadas emanates from the hut and at the top of the step ladder visitors are invited to peer through a hole in the door
蝉的声音从小屋里发出，观众可以从楼梯上方的门洞里偷窥室内。 |
