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power

/ˈpaʊ.ə(ɹ)/ /ˈpaʊ.ɚ/

Meanings
noun

力量，能力。

Ability to do or undergo something.

Examples :

"The student's power to concentrate helped her finish her homework. "
这个学生集中注意力的能力帮助她完成了作业。
ability action energy physics politics government essential toeic
noun

功率，能量。

A measure of the effectiveness that a force producing a physical effect has over time. If linear, the quotient of: (force multiplied by the displacement of or in an object) ÷ time. If rotational, the quotient of: (force multiplied by the angle of displacement) ÷ time.

Examples :

"The power of the washing machine is high, allowing it to quickly clean the clothes. "
洗衣机的功率很高，所以能很快地把衣服洗干净。
physics energy science essential toeic
noun

幂, 乘方

A product of equal factors (and generalizations of this notion): x^n, read as "x to the power of n" or the like, is called a power and denotes the product x \times x \times \cdots \times x, where x appears n times in the product; x is called the base and n the exponent.

Examples :

"The power of a rocket is measured by how many kilograms it can lift. "
火箭的推力，或者说火箭的幂，是用它能举起多少公斤的重物来衡量的。
math essential toeic
noun

统计功效，检验效能

The probability that a statistical test will reject the null hypothesis when the alternative hypothesis is true.

Examples :

"The power of the teacher's new reading comprehension test was high, meaning it had a good chance of identifying students who truly struggled with comprehension. "
这位老师新阅读理解测试的统计功效很高，这意味着它很有可能识别出那些确实在理解方面有困难的学生。
statistics math essential toeic

Related Words

Illustration statistical

statistical adjective

/stəˈtɪstɪkəl/

统计的, 统计学的

"The teacher used statistical data to show how many students passed the math exam. "

老师使用了统计数据来展示有多少学生通过了数学考试。

Illustration concentrate

concentrate noun

/ˈkɒn.sən.tɹeɪt/ /ˈkɑn.sən.tɹeɪt/

浓缩物，浓缩品

"The coffee concentrate was strong, so a little went a long way. "

这种咖啡浓缩液很浓，所以一点点就够用了。

Illustration displacement

displacement noun

/dɪsˈpleɪsmɪnt/

转移，取代，置换。

"The flood caused the displacement of many families from their homes. "

洪水导致许多家庭流离失所，离开了家园。(Hóngshuǐ dǎozhì xǔduō jiātíng liúlíshīsuǒ, líkāi le jiāyuán.)

Illustration probability

probability noun

/pɹɒbəˈbɪlɪti/ /pɹɑbəˈbɪlɪɾi/

可能性，概率。

"The probability of passing the math test is high if you study regularly. "

如果你 регулярно 学习，通过 математика 测试 的 可能性 очень 大。

Illustration generalizations

generalizations noun

/ˌdʒɛnərələˈzeɪʃənz/ /ˌdʒɛnrəlɪˈzeɪʃənz/

归纳，概括，普遍化。

"Based on observing that all the dogs I've met love to play fetch, I made some generalizations about dog behavior. "

通过观察所有我遇到的狗狗都喜欢玩你丢我捡的游戏，我概括出了一些关于狗狗行为的普遍规律。

Illustration intermediate

intermediate noun

/ɪntə(ɹ)ˈmidi.ət/ /ˌɪntɚˈmidi.ət/

中间物，媒介。

"The intermediate level of Spanish class is a good fit for students who already know some basic vocabulary. "

中级西班牙语课程非常适合已经掌握了一些基本词汇的学生。（这里“中级”对应“intermediate level”，可以理解为处于初级和高级之间的阶段，即“中间物/媒介”的一种体现）

Illustration comprehension

comprehension noun

/kɒmpɹɪˈhɛnʃn̩/ /kɑmpɹɪˈhɛnʃn̩/

理解，领会。

"My comprehension of the math lesson was excellent; I understood all the concepts. "

我对那节数学课理解得非常透彻，完全明白了所有的概念。

Illustration classification

classification noun

/ˌklæsɪfɪˈkeɪʃən/

分类，分级，归类。

"The classification of students by their academic performance helps teachers tailor instruction. "

根据学生的学习成绩进行分类，有助于老师们更好地调整教学方法。

Illustration effectiveness

effectiveness noun

/ɪˈfɛktɪvnəs/ /əˈfɛktɪvnəs/

有效性，效力

"The effectiveness of the drug was well established."

这种药物的有效性已经得到了充分的证实。

Illustration cardinality

cardinality noun

/ˌkɑːrdɪˈnælɪti/ /ˌkɑrdʒɪˈnælɪti/

基数，势。

"The empty set has a cardinality of zero."

空集包含零个元素，所以它的基数是零。

Illustration presentation

presentation noun

/ˌpɹizənˈteɪʃən/

报告，展示，演示.

"The presentation about the new school rules was very clear and easy to understand. "

关于新校规的报告/展示/演示 非常清楚易懂。

Illustration alternative

alternative noun

/ɒl.ˈtɜː(ɹ).nə.tɪv/ /ɔl.ˈtɝ.nə.tɪv/

选择，选项。

"The school offered an alternative schedule for students who needed more time to study. "

学校为需要更多时间学习的学生提供了一个备选时间表。