单词：perceived noise decibels
感觉噪声分贝，可闻(或可感)噪声分贝[略作 PNdB 或 PNdb]
单词：perceived noise decibels 相关文章
Unit 17 Saving the Environment271 拯救环境 比起消除真正的污染，当前加强对于环境保护重要性的认识，其意义还要深远得多。我们太晚才认识到，当我们在生产﹑规模﹑速度和发展这些方面取得成就的时候，生活条件已大大恶化 The effort to save the environment derives
2006年星火30篇考研词汇
Having Hearing Problems Bernadette: Why are you mumbling? Claude: Im not. I said, Whats wrong with your hearing? Bernadette: Nothing is wrong with my hearing. You just need to speak up. Claude: Im practically shouting. You need to see a doctor about
2015年ESL之就医和人际交往
Task 2: When was music first sent down a telephone line? So you think downloading music from the Internet through a phone line is a really cool modern thing? Not so. In 1896, Thaddeus Cahill Filed a patent on the instrument for transmitting music ele
新视野大学英语：视听说教程 2
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Living in the city, you can't escape traffic noise. But it's not just a nuisance. If you're over 65, the noise might be a risk to your health, tooby increasing
Scientific American(一)月
This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? Stand clear of the closing doors, please. Definitely keep your arms and legs away from the closing doors on the subway. But theres a potentially more insidious danger to y
Scientific American(六)月
Wilderness Areas Suffer from Human Sound 人类噪音害苦了野生生灵 Noise can prevent an animal from hearing other important sounds. 噪音会妨碍动物听到其他重要的声音。 Rachel Buxton, a conservation biologist at Colorado State
2017年科学美国人(五)月
01 Talking About Sound and Volume GLOSSARY to turn (something) up/down to increase or decrease the volume, especiallyof music or television * Could you please turn the TV up? I cant hear what the reporter is saying. ear-splitting hurting ones ears be
2011年ESL之日常生活
Lesson 156 Part Ⅰ Warming-up Exercises Spot Dictation: The Temperature Check Last winter we had kind of a, uh, cold winter and I was home in bed _____ one night and listening _____ my radio. And, uh
英语听力入门 (全四册)
City Code - Some foreign countries require you to dial a city code before the phone number you are trying to reach. Clamp - A circuit that removes the energy dispersal signal component from the video
电信英语
This blonde decides one day that she is sick and tired of all the blonde jokes and how all blondes are perceived as stupid, so she decides to show her husband that blondes really are smart. While her husband is off at work, she decides that she is go
趣味英语
One Billion Young People Risk Hearing Loss From Loud Music 十亿年轻人因为听大声的音乐面临失去听力的危险 From VOA Learning English, this is the Health and Lifestyle report. 美国之音这里是健康和生活方式报道。 One
2015年VOA慢速英语(四)月
Growing old is not upsetting; being perceived as old is. 越来越老并不可怕，可怕的是让人觉得越来越老。 图片1
Daily English-2016.06
Subways Loudest Transit Option in NYC In a report in the American Journal of Public Health performed in New York City, subways were the loudest mass transit option, with potentially hearing-damaging noise levels. Steve Mirsky reports. [The following
60秒科学
China has developed a bullet train that can convert its sleeping berths to seats to meet demand for around-the-clock operations, a train maker said last Monday. 一家列车生产商与上周一宣称，我国已研制出一种具有座卧转换功能的
英语新闻
What's that loud, droning noise? Is it a telephone? Or maybe a pigeon? No, it's Smokey. This English cat might soon be named the world's loudest purrer after she made an official attempt at a world record. Smokey's strident purr was recorded as being
英语听力精选进阶版
Topic1 Tourism, advertising 'least trusted' industries in ChinaTrust is a heavy topic in Chinese society. A newly released report on China's social psychology shows a general improvement in social trust, especially in government and media, but trust
英语角-圆桌会议
下面给大家提供一篇关于生活中噪音的影响的托福阅读背景材料，希望能拓宽同学们的阅读面。 I'm grad to see so many of you here. We'vebecome really alarmed over the health center by thenumber of students we are seei
托福英语
台湾籍旅美老师今天交给我们的句子是： Animal psychologists believe most dogs are about as smart as a two-year-old human. Dogs can understand more than 150 words, count up to five, and notice simple errors such as one plus one equals
留美老师带你每日说英文