单词：school-leds
(school-led 的复数)
单词：school-leds 相关文章
[ti:UNIT 1 School and Friends Lesson 4: My School] [00:01.61]UNIT 1 第一单元 [00:03.21]School and Friends 学校和朋友 [00:07.02]Lesson 4: 第4课： [00:08.64]My School 我的学校 [00:11.17]1. [00:12.69]This is my school. 这是我的学校。
河北教育初中英语（初中起点）七年级上
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
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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 fewer watts. But even if we replaced all today's bulbs with energy-sipping LEDs, the world m
60秒科学
Science and Technolgy. 科技。 Visible-light communication. 可见光通信。 Tripping the light fantastic. 与光共舞。 A fast and cheap optical version of Wi-Fi is coming. 一个高速而廉价的光学Wi-Fi即将问世。 AMONG the many new
经济学人科技系列
Science and technology 科学技术 Visible-light communication 可见光通信 Tripping the light fantastic 与光共舞 A fast and cheap optical version of Wi-Fi is coming 一个高速而廉价的光学Wi-Fi即将问世 AMONG the many new gadgets u
经济学人科技系列