[医] 紫外线消毒

SSS 2009-12-22

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(57) / 评论(0)

Scientific American(十二)月

VOA慢速英语20060705a

HEALTH REPORT - Health: Looking for Skin CancerBy Brianna Blake Broadcast: Tue, 4 Jul 2006 16:00:00 UTC I'm Faith Lapidus with the VOA Special English Health Report. Tanning beds produce ultaviolet ra

发表于:2018-12-07 / 阅读(63) / 评论(0)

2006年慢速英语（七）月

Earth and Sky:Sunscreened Plants 遮光植物

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

发表于:2019-01-02 / 阅读(105) / 评论(0)

(科普英语)Earth and Sky

Eztalk美语【240】cross-dressing Bush穿女装的布什

In the office, Wednesday morning Jess: But still, I didn't want this wallpaper. And every time I try to open a program, all I see is a cross-dressing Bush. Ann: I heard about that horrible virus! It automatically e-mails itself as an attachment to ev

发表于:2019-01-21 / 阅读(43) / 评论(0)

Eztalk美语会话

英语听力文摘 English Digest 478、日光浴床安全吗？

Are Tanning Beds Safe? Millions of people go to tanning salons, some to get a base tan before they go away on a beach vacation. The idea of the base tan is that it will protect you from burning on your sun excursion, so that what you end up with is a

发表于:2019-01-26 / 阅读(37) / 评论(0)

英语听力文摘 English Digest

香港兴起怪异“食日”减肥法

A new 'health' trend in Hong Kong sees women staring straight at the sun in the belief that it will replace their need for food and even improve their vision and sleep quality, reports Oriental Daily. 据《东方日报》报道，香港女性中兴起

发表于:2019-02-15 / 阅读(106) / 评论(0)

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Augustine of Canterbury, Saint

bacteriotrophic

Better to be safe than sorry.

Burton-On-Trent

cache register

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