选择性触杀型叶片喷药

大千世界:大量伤亡；纷纷罹病

With a strong poison spray aimed at a bunch of flying insects, it's easy to imagine several of them falling together at the same time. Because flies are small and dirty creatures, we do not much care if many die at once. However, when it comes to hum

发表于:2018-12-07 / 阅读(134) / 评论(0)

大千世界

SSS 2008-08-27

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th

发表于:2018-12-24 / 阅读(79) / 评论(0)

Scientific American(八)月

英语流行口语 70.Having a Haircut理发

[00:02.94] 理发 [00:05.88]A: Hello,sir.I'm ready for you. [00:08.56]A: 先生，您好。该你了。 [00:11.23]B: Is it my turn? [00:12.85]B: 该我了吗？ [00:14.47]A: Yes,please sit on the chair.How do you want to have your hair cut? [00:17.70

发表于:2018-12-25 / 阅读(76) / 评论(0)

英语流行口语

快口说英语025

No. 25 Clean the Bathroom 清洁洗手间 Practice Listen and Repeat A 1. Put down a clean bath mat. 铺下干净的浴缸防滑垫。 2. When youre finished cleaning, hang cleaning towels. 当你清洗完成，挂上干净的毛巾。 Conversation 1

发表于:2018-12-25 / 阅读(93) / 评论(0)

快口说英语

英语小达人 124 Bar Bet

Bar Bet 酒吧的赌博 A guy walks into a bar, stopping to talk to everyone in the bar. As he finishes with each group of people, they all get up and leave and go stand outside the window, looking in. 一个家伙走进酒吧，和里面每个人耳语

发表于:2018-12-31 / 阅读(98) / 评论(0)

英语小达人

Too much noise in class

It was the first day of school. As the principal made his rounds, he heard a terriblecommotion coming from one of the classrooms. He rushed in and spotted one boy, taller than the others, who seemed to be making the most noise. He seized the lad, dra

发表于:2019-01-05 / 阅读(103) / 评论(0)

趣味英语

Alien contact

Rob: Hello! Im Rob and this is 6 Minute English. Im joined today byAlice. Hello Alice. Alice: Hi Rob. Rob: Today, were talking about alien life form and who on planet earth wouldaliens speak to if they one day made contact? Alice: Alien life form. Th

发表于:2019-01-07 / 阅读(241) / 评论(0)

六分钟英语

窗外的风景

The trees outside my window生命中没有什么恒久不变的风景，只要你的心永远朝着太阳，每一个清晨都会向你展现一番美景，等着你去欣赏这个世界总会带给你新的希望。 From the window of my room, I cou

发表于:2019-01-08 / 阅读(81) / 评论(0)

实用英语

The Leopard and the Fox

The Leopard and the Fox A leopard and a fox were arguing about which of them was the better animal．My spotted coat is the most beautiful fur in the world，said the leopard．You cannot see my beauty，said the fox，for it is inside myhead．But i

发表于:2019-01-09 / 阅读(88) / 评论(0)

趣味英语

VOA标准英语2011--Spray Detects Hard-to-Find Tumors

Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos

发表于:2019-01-13 / 阅读(104) / 评论(0)

VOA标准英语2011年(十一月)

中国传媒大学英语电台 Radio CUC English 第96期