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[网络] 交叉受粉

VOA慢速英语2015 研究发现杀虫剂杀死野生蜜蜂

Study: Insecticide Is Killing Wild Bees 研究发现杀虫剂杀死野生蜜蜂 A new study says a widely-used insecticide is damaging wild bee populations. Wild bees are important, because they pollinate crops and wild plants. Environmentalists in t

发表于:2018-12-16 / 阅读(33) / 评论(0)

2015年VOA慢速英语(五)月

VOA慢速英语20060103a

AGRICULTURE REPORT - The Business of Bees and Beekeeping (Part 3 of 3)By Mario Ritter Broadcast: Tuesday, January 03, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Bees not onl

发表于:2018-12-17 / 阅读(25) / 评论(0)

2006年慢速英语（一）月

VOA标准英语2014--本地蜜蜂可能帮助拯救农作物

Native Bees May Help Save Crops 本地蜜蜂可能帮助拯救农作物 BELTSVILLE, MARYLAND In June, U.S. President Barack Obama called for a federal strategy to promote the health of bees and other pollinators that have been declining. The honeybee

发表于:2019-01-14 / 阅读(50) / 评论(0)

VOA标准英语2014年(八月)

留美老师带你每日说英文第1063期:为何香草那么珍贵

Vanilla vines take two to four years to fully mature, and their flowers only bloom for one day of the year. In order for the plants to produce beans, they have to be pollinated that day. In most places where vanilla is grown, it isn't a native plant,

发表于:2019-01-20 / 阅读(30) / 评论(0)

留美老师带你每日说英文

英语听力：2013-11-24 地平线：什么害死了我们的蜜蜂—2

They don't live very long on average just a few weeks in the summer time. But in that time they'll fly four or maybe five hundred miles in total. and here's the best part. They are the only insect to provide us with food in the form of liquid gold, h

发表于:2019-01-23 / 阅读(36) / 评论(0)

探索与发现2013年

AGRICULTURE REPORT - The Buzz About Bees

AGRICULTURE REPORT - The Buzz About Bees By Mario Ritter Broadcast: Tuesday, May 31, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. More than ninety kinds of fruits, vegetables,

发表于:2019-01-30 / 阅读(74) / 评论(0)

农业与发展

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学英语单词

a blast

aes(apollo extention system)

befairly beside oneself