n.焦耳(能量或功的单位)

原形：joule复数：joules

The amount of work done when one joule of energy is transferred is equivalent to the force of one newton acting over a distance of one meter.
当一焦耳的能量被转移时所做的功相当于一牛顿力作用在一段一米的距离上。
A battery with a capacity of 10,000 joules can power a device for several hours.
一个容量为10,000焦耳的电池可以为一台设备供电几个小时。
The heat generated by friction in an engine is often measured in joules.
发动机中由摩擦产生的热量通常以焦耳来计量。
The kinetic energy of a moving object is given by half its mass times the square of its velocity, all multiplied by the joule as the unit of energy.
运动物体的动能是由其质量的一半乘以其速度的平方，再乘以能量单位焦耳给出的。
One calorie is the amount of energy needed to raise the temperature of one gram of water by one degree Celsius, which equals approximately 4.184 joules.
一卡路里是使一克水温度升高一度所需要的能量量，约等于4.184焦耳。
The electric potential difference across a cell is usually expressed in volts, but it can also be quantified in joules per coulomb.
电池两端的电动势通常用伏特表示，但它也可以量化为每库仑焦耳。
In physics class, we learned that one watt is equal to one joule of energy dissipated per second.
在物理课上，我们学到一瓦特等于每秒消耗一焦耳的能量。
The joule-thief circuit is used to extract more power from a low-voltage source than it would otherwise provide.
焦耳窃取电路用于从低电压源提取比它本身能提供的更多的功率。
The explosion released an enormous amount of energy, estimated at several million joules.
爆炸释放出了估计达数百万焦耳的巨大能量。
The efficiency of solar panels is typically rated in terms of how many joules of electricity they can produce per hour per square meter exposed to sunlight.
太阳能电池板的效率通常是以它们在一小时内每平方米暴露于阳光下的电能产量（以焦耳计）来衡量的。