单词：sterilizing rate
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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e
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LULU GARCIA-NAVARRO, HOST: It's summertime. And if you have a young kid, chances are they're covered in a film of sweat and dirt. It can be kind of gross. We went to New York Avenue Park in Washington, D.C., and asked parents how comfortable they are
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They dive in, feet first, tasting food with sensors on their feet. Once they've selected a mouthful, they'd salivate over it, eat it, then regurgitate it to break down any chance. They then suck up the foul soup they've made with their spongy mouth p
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Juanita: Hey, where have you been? I was going to invite you to lunch, but you werent at your desk. Bill: I was at a training. Juanita: What was it on? Bill: Office hygiene. Juanita: Hygiene? Youre kidding. Your office is pretty messy but I wouldnt s
地道美语播客
[00:00.00]What's the interest rate for the savings account? [00:01.93]储蓄存款的利率是多少？ [00:03.85]Interest is calculated at the rate of 0.8% per annum at present. [00:06.61]目前每年的利率是按０.８％计算的。 [00:09.36]Y
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WASHINGTON, Sept. 16 (Xinhua) -- U.S. poverty（贫困） rate climbed to 14.3 percent in 2009, the highest level since 1994, as households' incomes were squeezed by the deepest recession（衰退） since the 1930s and high unemployment（失业率 ）
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