变态茎, 变形茎，变态茎

VOA标准英语2012--Mosquitoes Genetically Modified to Prevent Malaria

Mosquitoes Genetically Modified to Prevent Malaria There may soon be a new weapon in the fight against malaria - a genetically-modified mosquito that kills the disease-causing parasite once it becomes infected. Malaria is a leading cause of death wor

发表于:2018-12-16 / 阅读(41) / 评论(0)

VOA标准英语2012年(一月)

US-EU Dispute over Genetically Modified1 Foods

Broadcast:Feb 25, 2003 By Mario Ritter This is the VOA Special English Agriculture Report. The Bush administration has been trying to get the European Union to accept new genetically engineered crops.

发表于:2019-01-02 / 阅读(56) / 评论(0)

VOA2003（上）-社会广角

Genetically modified cows

Jen: Hello and welcome to 6 Minute English from BBC Learning English. I'm Jen and with me today is Neil. Neil: Hello there. Jen: Todays story is all about allergies. If you have an allergy to something, your body reacts to it in a negative way. Do yo

发表于:2019-01-07 / 阅读(62) / 评论(0)

六分钟英语

VOA标准英语2010年-Genetically-Modified Mosquito Can't Tr

Under UV light, this mosquito larva reveals a red fluorescent marker in its nervous system, causing eyes and nerves to glow. The marker's presence tells the researchers in Riehle's team that this individual carries the genetic construct rendering it

发表于:2019-01-13 / 阅读(61) / 评论(0)

VOA标准英语2010年(七)月

学个词Learn a Word 第1520 - stem from

今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表

发表于:2019-02-18 / 阅读(72) / 评论(0)

英语单词荟萃

学个词 Learn a Word-VOA英语教学 2780 genetically modified

今天我们要学的词是 genetically modified. Genetically modified 转基因的。Officials are considering using genetically modified mosquitoes to fight the zika virus in Houston. 有关官员考虑使用转基因蚊子在休斯敦打击寨卡病

发表于:2019-03-07 / 阅读(99) / 评论(0)

英语单词荟萃

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azeotropic composition