| 41. | Never look for a gas leak with a naked flame. |
| 千万不要拿着明火去查找煤气的泄漏处。
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| 42. | I can smell a gas leak. |
| 我能闻到有煤气漏出。
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| 43. | Does your mother cook by gas ? |
| 你母亲是用煤气烧饭吗？
|
| 44. | Sorry, I'm late. I had to stop for gas . |
| 对不起，我来迟了，因为路上得停车加油。
|
| 45. | The gas peters out. |
| 煤气渐渐用完了。
|
| 46. | When the fire started in the kitchen, John had the presence of mind to turn off the gas . |
| 厨房中起火时，约翰沉着冷静，关掉了煤气。
|
| 47. | Gas can be produced from coal. |
| 可以用煤生产煤气。
|
| 48. | Gas is now largely used for the production of heat. |
| 煤气现在主要用于生产热能。
|
| 49. | This gas will put you out during your operation. |
| 这种气体可以使你在动手术时失去知觉。
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| 50. | My wife wants to change over from gas to electricity for her cooking; she says it' cleaner. |
| 我妻子想不用煤气而改用电来做饭，她说这要清洁一些。
|