单词：active colling surface
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Even as adults we still enjoy blowing bubbles, dont we? If youve ever wondered why blowing on a thin film of soapy water creates bubbles, this is your lucky day. All liquids have a property called surface tension. Take water, for example. Water molec
英语听力文摘 English Digest
Calm Old Age 淡定的老人们 Ya?l:So here is a question for our listeners: If there were a potion that would allow you to stay young forever, would you take it? Don: Thats obvious, Ya?l? Who wouldnt want to recapture their youth? Y：Im not so sur
英语听力文摘 English Digest
Get It? 明白了吗？ Did you ever wonder what occurs inside your body when something funny happens? What is this thing we have in our brains that makes us say ha-ha when someone slips on a banana? One way to find out is to watch the brain laugh. T
英语听力文摘 English Digest
It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto
英语听力文摘 English Digest
Topics: Ask an American: social media and job searches; go ahead, make my day; years old versus year old Words: to scratch the surface theres no telling wild, wild west tremendous social media to enhance credibility thought leadership buddy to dictat
美语听力 English Cafe
Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai
英语听力文摘 English Digest