单词:hydrogen sulfide detecting alarm system
单词:hydrogen sulfide detecting alarm system 相关文章
Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa
This is Whats Trending Today. Earthquakes are not uncommon in southern California. Citizens there know how to react and respond if the ground starts shaking. On Wednesday night, many of them received an email from the U.S. Geological Survey that warn
This is Whats Trending Today. Earthquakes are not uncommon in southern California. Citizens there know how to react and respond if the ground starts shaking. On Wednesday night, many of them received an email from the U.S. Geological Survey that warn
I couldn't get over this mess. The federal government is confirming what Joan Glickman of Pompano Beach, Florida suspected all along. Tainted drywall from China is giving off a harmful gas that's turning her air-conditioning wiring black, causing it
A: I was thinking about buying this used car, and was wondering if you would take a look at it for me to see if it has any problems. B: Sure, pull up over there and we'll take a look. A: I just wasn't sure what to look for. B: The first thing you do
1. This means that our noses are limited to perceiving those smells which float through the air, missing the majority of smells which stick to surfaces. 【分析】多重复合句。句子主干为 This means that...,that 引导宾语从句。宾语
Technology being(1) developed at Pacific Northwest National Laboratory could put(2) explosive-sniffing(3) dogs out of business. Just like dogs, the technology can 'sniff' the air to detect vapors from explosives. Unlike dogs, it doesn't need to be fe
Mercury Fillings Seem Safer over Time A study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which should keep the mercury from harming the nervous system
04 My Dad's a Secret Agent Kenn Nesbitt My dad's a secret agent. He's an undercover spy. He's the world's best detective. He's the perfect private eye. He's a Pinkerton, a gum shoe, He's a snoop and he's a sleuth. He's unrivaled at detecting and unc
From VOA Learning English, this is the Health Lifestyle report. Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable. Garlic is similar to other
A: I want to buy this used car, but I need help figuring out if there are any problems with it. B: I can help you with that. Drive the car over by the garage and we'll check it out. A: I know some things to look for, but I know there are other specia
A: Could you take a few minutes and see if there are any problems with this used car that I am thinking of buying? B: I am happy to help. Just pull up and we'll give it a good look. A: I don't know much about cars. B: We need to look inside and out f
A: I was thinking about buying this used car, and was wondering if you would take a look at it for me to see if it has any problems. B: Sure, pull up over there and we'll take a look. A: I just wasn't sure what to look for. B: The first thing you do
Black Tongues and Stomach Aches Don: Oh, no, Ya?l, I think I'm having a medical emergency. Quick! Call an ambulance. Ya?l: A medical emergency, Don? Are you sure? You look fine to me! D: But I'm not. This morning, I had a terrible stomach ache. And n
Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this
Train Your Mental Alarm Clock in Four Simple Steps Is there any sound more wretched than that of an alarm clock in the morning? Although Im not a violent person, I often have detailed revenge fantasies involving hurling my clock across the room and w
Metal detecting is a popular hobby in Britain, with clubs across the country. In the past year, detectorists, as they are called in Britain, have made big finds, valuable both in financial and archaeological terms. Jennifer Glasse | London 12 January
Subject : Why are you always out in the left field? 第一, 迷你对话 A: Why are you always out in the field while listening to the news? 为什么你听新闻的时候不专心啊? B: I am listening to the music and I couldnt help moving my b
You're lay here with me you're shutting down I smell her on ya I'm focused now I know what's going on in your head yeah I know what's happened here in our bed yeah Your phone is buzzing so pick it up I know she calling so what the f**k I should've kn