joules

/dʒuːlz/ /dʒaʊlz/

Meanings

noun

焦耳

In the International System of Units, the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre. Also equal to the energy of one watt of power for a duration of one second. Symbol: J

Examples :

"The lightbulb used 60 joules of energy every second. "

这盏灯泡每秒消耗 60 焦耳的能量。(Zhè zhǎn dēngpào měi miǎo xiāohào 60 jiāo'ěr de néngliàng.)

Related Words

lightbulb noun

/ˈlaɪtˌbʌlb/

灯泡，电灯泡。

"I changed the lightbulb in the living room lamp because the old one had burned out. "

我把客厅灯里的灯泡换了，因为旧的那个烧坏了。

units noun

/ˈjuːnɪts/ /ˈjuːnɪts/

单位

"The doctor prescribed 5000 units of vitamin D to help improve my bone health. "

医生开了5000单位的维生素D，来帮助改善我的骨骼健康。

required verb

/ɹɪˈkwaɪəd/ /ɹɪˈkwaɪɹd/

要求，需求

"The teacher required the students to bring their textbooks to class every day. "

老师要求学生们每天上课都带课本。

symbol noun

/ˈsɪmbəl/

符号，象征。

"$ is the symbol for dollars in the US and some other countries."

$ 是美国和一些其他国家表示美元的符号。

duration noun

/djʊˈɹeɪʃn̩/ /djəˈɹeɪʃn̩/

时长，期间。

"The duration of the meeting was only thirty minutes. "

会议的时长只有三十分钟。

derived verb

/dɪˈɹaɪvd/

获得，取得，源于。

"The student derived the answer to the math problem from the formula. "

这个学生从公式推导出了这道数学题的答案。

distance noun

/ˈdɪs.təns/

距离，路程。

"From Moscow, the distance is relatively short to Saint Petersburg, relatively long to Novosibirsk, but even greater to Vladivostok."

从莫斯科出发，到圣彼得堡的距离比较近，到新西伯利亚的距离相对较远，但到符拉迪沃斯托克的距离就更远了。

system noun

/ˈsɪstəm/

系统，体系。

"There are eight planets in the solar system."

太阳系里有八颗行星。

energy noun

/ˈɛnəd͡ʒi/ /ˈɛnɚd͡ʒi/

能量，精力，活力

"The children's energy fueled their excitement for the school trip. "

孩子们的活力激发了他们对学校旅行的兴奋之情。

newton noun

/ˈnjuːtən/ /ˈnuːtən/

牛顿

"The box requires a force of ten newtons to move it across the floor. "

移动这个箱子在地面上，需要十牛顿的力。

second noun

/ˈsɛkɪnd/ /ˈsɛkənd/ /ˈsɛk.(ə)nd/

第二，亚军

"My sister is the second oldest child in our family. "

我妹妹是我们家年龄第二大的孩子。

international noun

/ˌɪntəˈnæʃ(ə)n(ə)l/ /ˌɪntɚˈnæʃ(ə)n(ə)l/

国手，国际选手。

"The United team includes five England internationals."

联合队包括五名英格兰国手。