| 21. | Simon wore a lucky charm on a chain round his neck. |
| 西蒙在脖子上戴了一个系在项链上的幸运符。
|
| 22. | set off a chain of explosions. |
| 引志一连串爆炸。
|
| 23. | The jewels are strung together on a silver chain . |
| 这些宝石穿在一根银链上。
|
| 24. | The chain has fallen foul of plants in the water. |
| 锚链与水下植物缠绕在一起了。
|
| 25. | The chain has fretted into the tree and damaged it. |
| 链条陷进了树干把树损坏了。
|
| 26. | Errors and uncertainties multiply, cascading upward through a chain of turbulent features, from dust devils and squalls up to continent-size eddies that only satellites can see. |
| 错误和不可靠性上升，接踵而来的是一系列湍流的徵状，从小尘暴和暴风发展到只有卫星上可以看到的席卷整块大陆的旋涡。
|
| 27. | It is as if a single unimportant event set up a chain of reactions. |
| 好像是一件无关紧要的小事引起了一连串的连锁反应。
|
| 28. | One of links in the chain that drives the wheels had snapped. |
| 我买来一根新链条后，面临的就是如何把这些令人眼花缭乱的拼板重新组装起来。
|
| 29. | After buying a new chain I was faced with the insurmountable task of putting the confusing jigsaw puzzle together again. |
| 等我装完后，那台割草机仍然一动不动，对此我倒并不感到吃惊。
|
| 30. | As he fell, he caught hold of a hanging chain . |
| 当他跌倒时, 便往一条悬挂的绳子抓去。
|