VOA常速英语2019--特朗普为建造边境墙而宣布国家紧急状态

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

VOA常速英语2019--机遇号光荣退役

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

VOA常速英语2019--昆虫对地球生命至关重要

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

VOA常速英语2019--巧克力的制作流程

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

VOA常速英语2019--印度旅游业难以兼顾经济效益与环境保护

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

VOA常速英语2019--美国卫生部规劝父母为孩子注射麻疹疫苗

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

VOA常速英语2019--屋顶种菜：环保又经济

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

VOA常速英语2019--犬类运动俱乐部备受欢迎

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

VOA常速英语2019--阿根廷科学家发现新型恐龙

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

VOA常速英语2019--纯电气车受消费者青睐

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

VOA常速英语2019--大限将至 边境墙问题依然无解

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

VOA常速英语2019--太阳能电池板研发取得新进展

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.

VOA常速英语2019--穆斯林女导演处女座惊艳好莱坞

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

VOA常速英语2019--3D打印技术可大幅提高心脏手术安全性

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

VOA常速英语2019--美国地质局推出先进的地震预警系统

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

VOA常速英语2019--代管宠物的5点黄金从业法则

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。

VOA常速英语2019--美国或脱离北约：特朗普diss北约老掉牙

For some 70 years, NATO has been viewed as a crucial pillar of stability by US presidents and lawmakers, Democrats and Republicans alike. But Trumps views on the Alliance, during his 2016 campaign, broke with that bipartisan consensus. Let me tell yo

VOA常速英语2019--或有新疫苗对抗埃博拉

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.

竞选局势重组：星巴克前CEO或参选下届美国总统

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

VOA标准英语--报告:称喜马拉雅三分之一冰川本世纪融化

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