暗闪灯

豆知识 2009-04-19&04-25 节能荧光灯—何乐而不换？

Here are two things that nobody wants to see increase: your power bill and pollution. Boo! We're going to show you a small step you can take that can turn these arrows the other way. Yay! We're focused on your friendly household light bulb, the incan

发表于:2018-12-03 / 阅读(49) / 评论(0)

英语解说豆知识2009年

Forcing Bulbs

By Mario Ritter Broadcast: November 18, 2003 This is Steve Ember with the VOA Special English Agriculture Report. If you like flowers in the early spring, then the middle of autumn is an important tim

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VOA2003（下）-农业与经济

VOA慢速英语2012Technology Report--Bright Idea: Light Bulbs From Plastic Bottles, Water and Bleach

Technology Report - Bright Idea: Light Bulbs From Plastic Bottles, Water and Bleach 科技报道 - 水、漂白剂和塑料瓶构成的水灯泡 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Nearl

发表于:2019-01-12 / 阅读(51) / 评论(0)

2012年VOA慢速英语(一)月

Improving Productivity by Improving Lighting

Improving Productivity by Improving Lighting We all know that our surroundings affect our ability to get work done, from that irritating buzzing from the next cubicle over to the uncomfortable chair causing our back pain. But what about lighting? Has

发表于:2019-02-04 / 阅读(63) / 评论(0)

阅读空间

莱昂纳多·迪卡普里奥谈全球变暖危机

Oprah: You are a very good reporter. Leo: Thank you very much. Oprah: Because in, in the earlier show, when you're asking a guy about the hybrid costs, how you know you are good. When I as a viewer, I

发表于:2019-02-05 / 阅读(33) / 评论(0)

访谈录

Who Was Thomas Alva Edison 爱迪生Chapter 5 Turning on the Light

It was the summer of 1878. Tom had been working hard for a long time. He was thinking about taking a vacation. Then a friend invited him to join a group of scientists. They were traveling by train to Wyoming to see an eclipse of the sun. Tom decided

发表于:2019-02-13 / 阅读(38) / 评论(0)

名人认知系列 Who Was

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aldactone

alpha(-ray) spectrometer