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- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- He's taking classes in car maintenance. 他正在上汽车维修课。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Who is responsible for the building's maintenance? 谁负责这座大楼的保养事宜?
- It is important to conserve energy. 节省能源十分重要。
- Has he enrolled in the car maintenance class this year? 他今年报名参加汽车维修班的学习了吗？
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- The petitioner ask for a variation in her maintenance order. 上诉人要求对她生活费的命令的条件进行变更。
- As a matter of fact, light is a form of energy. 其实，光是能的一种形式。
- The move water have mechanical energy. 流动的水拥有机械能。
- A lot of the cost of maintenance go into renew brake. 很多的维修费用都花在了更换煞车方面。
- Who discovered the conservation of energy? 谁发现了能量守恒？
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- He had to work hard for the maintenance of his family. 他为了养家不得不去拼命工作。
