关爱白癜风患者公益援助活动 http://baidianfeng.39.net/a_xcyy/150609/4636741.html微博：
每日英语文章选自《TheEconomist》ECONOMIST:Artificialchameleonskincanmimicitssurroundings
经济学人：人造变色龙皮肤可以模仿周围环境
Thankstothermochromiccrystalsandsilvernanowires多亏了热变色晶体和银纳米线CHAMELEONSAREfamousfortheirabilitytochangecolour.Buttheirreputationexceedsthereality.Chameleonscannot,infact,takeonanycolourtheytouch.Andalthoughtheircolour-shiftingabilitiesareusefulforcamouflage,theyareusedmostlytoregulatebodytemperature(darkershadesabsorbmoreenergyfromthesun),orto
