Word · Frequency #23825
bels
贝
bels is the plural of bel.
a logarithmic unit of sound intensity equal to 10 decibels
- 1.
A measure of relative power, defined as log10(P 1/P 2), where P1 and P2 are the measured and reference power respectively.
相对功率的度量单位,定义为log10(P1/P2),其中P1和P2分别为测量功率和参考功率。
彼勒；相对功率的度量单位,定义为log10(P1/P2),其中P1和P2分别为测量功率和参考功率。；报警符；[医] 贝[耳](响度单位)
In use
The difference between the two recordings was exactly one bel.
According to the chart, the signal dropped by two bels.
One bel represents a tenfold increase in sound energy.
a bel is equal to [number] decibels
A bel is equal to ten decibels.
一贝等于十分贝。
measure [something] in bels
bels 是 bel 的复数形式。
We measure sound intensity in bels.
我们用贝来测量声强。
Common mistakes
A difference of one bell is equal to ten decibels.A difference of one bel is equal to ten decibels.
Connections
Collocations
- bel scale
- 贝尔标度
- The bel scale is rarely used because the decibel is more practical.贝尔标度很少使用，因为分贝更实用。
- ten bels
- 十贝
- A sound level of ten bels is equal to one hundred decibels.十贝的音强等于一百分贝。
- the god Bel
- 彼勒神
- The Babylonians worshipped the god Bel.巴比伦人崇拜彼勒神。
- Bel of Babylon
- 巴比伦的彼勒
- Bel of Babylon was one of the supreme gods.巴比伦的彼勒是至高神之一。
Pop culture & quotes
- Bel boweth down, Nebo stoopeth
- 彼勒屈身，尼波弯腰。In Isaiah 46:1, the prophet pictures the Babylonian gods Bel and Nebo bowing down, unable to protect their worshipers.在《以赛亚书》46:1中，先知描绘巴比伦神明彼勒和尼波屈身弯腰，无法保护敬拜他们的人。
Learner notes
Memory Tip
把bel联想成Bell（贝尔）：电话发明人贝尔，响度单位bel正是以他命名，1 bel=10分贝。
Context & Register
语域：formal 常见场景：acoustics、telecommunications、audio engineering bel 是贝（响度单位）的正式技术用语，通常出现在声学、电信等专业文献中；日常口语中很少单独使用。
Grammar Note
作响度单位“贝”解时为可数名词，复数形式为 bels；作巴比伦神祇名 Bel 解时通常不用复数。
Pronunciation & Spelling
Genuine rhymes: bell, sell, well, tell all end with /ɛl/ and rhyme with bel. Beware of lookalikes: bale (/beɪl/) and ball (/bɔːl/) have different vowel sounds and do not rhyme.
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.