单词:electric-bulbs
单词:electric-bulbs 相关文章
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f
A: I would like to speak with the manager about some safety concerns. B: This is the manager. What can I do for you? A: I was parking my car last night in the garage area, and it was very dark out there. B: Is this the first time you noticed this? A:
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
Agriculture Report - Grow It Yourself: Turning Bulbs Into Beautiful Blooms This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Bulbs are underground plant stems. They provide food for a shoot. Some bul
A: I would like to speak with the manager about some safety concerns. B: This is the manager. What can I do for you? A: I was parking my car last night in the garage area, and it was very dark out there. B: Is this the first time you noticed this? A:
新技术:开灯就有无线宽带 Bulbs could soon be used to broadcast household broadband 英国爱丁堡大学的一位教授研究出了一项新技术,能够让普通的电灯泡作为无线网络信号传输器,只要开灯,就能无线上