| 21. | The house is not wired for electricity yet. |
| 这所房子还没有铺设好电线。
|
| 22. | This machine works by electricity . |
| 这台机器是电动的。
|
| 23. | This machine is worked by electricity . |
| 这台机器是电动的。
|
| 24. | There's a surge in electricity demand at around 7 pm. |
| 晚上7点钟左右是用电高峰时间。
|
| 25. | Electricity is a mysterious agency. |
| 电流是一种神秘的力量。
|
| 26. | Heat and electricity are important agents in the life of today. |
| 热和电是当今生活中重要的原动力。
|
| 27. | The appliance of electricity to household tasks makes housework easier. |
| 电气器械在家庭中的使用使得家务活变得轻松了。
|
| 28. | This new heating system eats up electricity . |
| 这种新型取暖设备耗电量很大。
|
| 29. | Copper conducts electricity better than other materials. |
| 铜比其他材料导电性能好。
|
| 30. | Electricity has been cut for two days. |
| 已经停电两天了。
|