中华四节蚜小蜂

科学美国人60秒 SSS Some Malaria Mosquitoes May Prefer Cows to Us

As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo

发表于:2018-12-24 / 阅读(74) / 评论(0)

2016年Scientific American(九)月

地道英语在线听-Chinwag 闲谈

Having a good chat Neil : This is Real English from BBC Learning English. Im Neil. Helen : And Im Helen. Neil : Today were going to look at words and phrases that have recently become part of the English language. Helen : 在我们的Real English《地道

发表于:2019-01-02 / 阅读(69) / 评论(0)

地道英语在线听

AS IT IS 2015-12-11 A Long Recovery Ahead for Myanmar Chin State

AS IT IS 2015-12-11 A Long Recovery Ahead for Myanmar Chin State Floods and landslides in the Chin region of Myanmar displaced thousands of people this summer, but recovery has just begun. Almost 20,000 people were displaced by severe weather in west

发表于:2019-01-12 / 阅读(118) / 评论(0)

2015年VOA慢速英语(十二)月

VOA标准英语2012--Kachin Rebels Live in Limbo as War with Burma Drags On

Kachin Rebels Live in Limbo as War with Burma Drags On Four hundred Kachin refugees get regular donations of food and other aid at a Catholic-run camp. The youngest were born while in the camp, enlarging families that fled fighting between the Burmes

发表于:2019-01-13 / 阅读(52) / 评论(0)

VOA标准英语2012年(四月)

VOA标准英语2013--Burma’s Kachin Conflict Escalates

Burmas Kachin Conflict Escalates Burmese air strikes on Kachin military positions mark a significant escalation in the battle with the Kachin Independence Army, which is fighting for greater autonomy. Few reporters are on the ground. This footage was

发表于:2019-01-13 / 阅读(83) / 评论(0)

VOA标准英语2013年(一月)

美国国家公共电台 NPR His Life Cut Short, Vincent Chin Is Remembered For What Might Have Been

STEVE INSKEEP, HOST: Today from StoryCorps on this Friday, we have memories of a Chinese-American immigrant killed 35 years ago today. Vincent Chin was a draftsman living near Detroit. In 1982, Chin and a group of friends went out to celebrate his up

发表于:2019-01-17 / 阅读(54) / 评论(0)

2017年NPR美国国家公共电台6月

英语俚语天天说第98期:keep your chin up不要气馁

【俚语】 Keep your chin up 不要气馁！ keep your chin up 的理解较为宽泛：多译为：别灰心、保持斗志、挺起胸膛、振作起来、不要气馁。注意：keep your chin up 多用来鼓励失落、受挫的人。【例句】

发表于:2019-01-17 / 阅读(63) / 评论(0)

英语俚语天天说

Italy lacks energy for economic revamp

ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the

发表于:2019-01-19 / 阅读(98) / 评论(0)

英语新闻

科学美国人60秒 SSS 2016-8-15

In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African

发表于:2019-01-20 / 阅读(79) / 评论(0)

2016年Scientific American(八)月

万物简史第509期:丰富多彩的生命(5)

You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西

发表于:2019-02-21 / 阅读(89) / 评论(0)

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Austro-Malayan subregion

balanced occlusion

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box pallet with a double floor