President Donald Trump may have ended a battle over the federal budget, but he opened a door to a much bigger dispute when he declared a national emergency to build his border wall. Its a great thing to do, because we have an invasion of drugs, invas

发表于:2019-03-11 / 阅读(1635) / 评论(0) 分类 VOA标准英语2019年(二月)

No one at NASA would have ever hoped that the Martian rover Opportunity onboard this Delta rocket launched in 2004 for a three-month mission would end up trundling across the Martian surface for more than a decade. You know, this was a 90-day mission

发表于:2019-03-11 / 阅读(1668) / 评论(0) 分类 VOA标准英语2019年(二月)

A growing number of the Earths insect population now exists only in collections like these. Nobodys seen those 400 years. A new review of over 70 studies of insect populations suggests that human pressures are causing insect populations to plummet by

发表于:2019-03-11 / 阅读(1575) / 评论(0) 分类 VOA标准英语2019年(二月)

Im Bill Mclaughlin, and Im the creator of plants here the United States Botanic Garden. What we are looking at today is our chocolate tree or cacao tree. The scientific name for this is Theobroma Cacao, and Theobroma is Greek, Theo- is for God and Br

发表于:2019-03-11 / 阅读(1636) / 评论(0) 分类 VOA标准英语2019年(二月)

Many of the traditional wooden house boats that were a big draw for Indian and foreign tourists on the palm-fringed inland lagoons in Kerala are standing idle during the peak season. 这里的很多传统木制船屋曾经让印度内外的游客深深

发表于:2019-03-11 / 阅读(1676) / 评论(0) 分类 VOA标准英语2019年(二月)

Measles was eliminated in the US 19 years ago. The only cases now are those that are imported from other countries. Thats happening in the US with greater frequency. Measles is incredibly contagious. Once it gets around the community, its very diffic

发表于:2019-03-11 / 阅读(1638) / 评论(0) 分类 VOA标准英语2019年(二月)

Rain is essential for life, but too much of it can lead to flooding, causing sewers to overflow and carry contaminants to nearby river systems. 雨水是生命的必需品,但雨量太大会导致洪灾,下水道会积水外溢,并将污染物带

发表于:2019-03-11 / 阅读(1556) / 评论(0) 分类 VOA标准英语2019年(二月)

This five-year-old vizsla named Stella is a regular at Frolic Dogs, a canine sports club in Alexandria Virginia. Shes so active. And so I see how happy she is when were at the gym. And shes playing and shes able to, you know, jump through the hoop or

发表于:2019-03-11 / 阅读(1561) / 评论(0) 分类 VOA标准英语2019年(二月)

There are spines, and then theres the Bajadasaurus pronuspinax. During the Cretaceous period, 140 million years ago, this dinosaur spotted a neck of dangerous-looking spines. Argentinian archaeologist Pablo Gallina discovered the unique specimen digg

发表于:2019-03-09 / 阅读(1619) / 评论(0) 分类 VOA标准英语2019年(二月)

A special preview for members of the media at the annual Chicago Auto Show is a chance for manufacturers to show off their latest and greatest products about to enter the market. But what is notable about this years show is what some manufacturers ar

发表于:2019-03-09 / 阅读(1524) / 评论(0) 分类 VOA标准英语2019年(二月)

Where walls go up, illegal crossings go way, way down. I will get it built, an unwavering president still at odds with an unwavering House Speaker. Theres not going to be any more money in the legislation. So far, no deal has been reached by a bipart

发表于:2019-02-25 / 阅读(1658) / 评论(0) 分类 VOA标准英语2019年(二月)

Solar power is helping bring about a future of cleaner energy, but there are limits to where rigid solar panels can go. A new kind of flexible solar cell made with a mineral called perovskite can go almost anywhere, says physicist Olga Malinkiewicz.

发表于:2019-02-25 / 阅读(1696) / 评论(0) 分类 VOA标准英语2019年(二月)

One look at Movie Director and Writer Lena Han, and its obvious she doesnt fit the Hollywood director stereotype. Its very hard to be a female filmmaker in Hollywood. That is for sure. I think they feel like you dont have as much authority, or you ca

发表于:2019-02-25 / 阅读(1784) / 评论(0) 分类 VOA标准英语2019年(二月)

University of Washington doctors are seen here doing heart surgeries using catheters. These long tubes reaching into the heart allow doctors to perform non-invasive heart surgery. Doctor Mark Reisman is better at it now when he gets to practice by us

发表于:2019-02-24 / 阅读(1810) / 评论(0) 分类 VOA标准英语2019年(二月)

Californians participated in an annual drill, and helped prepare for what scientists say could strike at any moment, an earthquake. Scientists have also been busy preparing. The US Geological Survey recently unveiled its new earthquake alert system c

发表于:2019-02-24 / 阅读(156) / 评论(0) 分类 VOA标准英语2019年(二月)

No pee on plants or mailbox, thats my rule. This is Gretl. Shes just a puppy. Shes a cavalier king poodle mix. The five most important things to be successful in the dog walking business to me. 不能在植物或者邮筒上撒尿,这是我的规矩。

发表于:2019-02-22 / 阅读(152) / 评论(0) 分类 VOA标准英语2019年(二月)

In Congo, Ebola claims the lives of 60 percent of those who get the virus. The disease is so devastating, even those who survive it are shunned. Really makes it frightening is the high mortality rate, the very severe symptoms that people experience.

发表于:2019-02-19 / 阅读(141) / 评论(0) 分类 VOA标准英语2019年(二月)

Former Starbucks CEO Howard Schultz now is testing the political waters for a possible independent bid for president. 前星巴克首席执行官霍尔德舒尔茨现正在试水政坛,看看能否以独立候选人的身份竞选美国总统。 We

发表于:2019-02-19 / 阅读(126) / 评论(0) 分类 VOA标准英语2019年(二月)

At Least One-Third of Himalayan Ice to Disappear by 2100 At least one-third of the ice in the Himalayan Mountains will disappear by the end of this century because of rising temperatures, scientists said this week. This will threaten river flows that

发表于:2019-02-18 / 阅读(135) / 评论(0) 分类 VOA标准英语2019年(二月)

At Least One-Third of Himalayan Ice to Disappear by 2100 At least one-third of the ice in the Himalayan Mountains will disappear by the end of this century because of rising temperatures, scientists said this week. This will threaten river flows that

发表于:2019-02-18 / 阅读(97) / 评论(0) 分类 VOA标准英语2019年(二月)