单词：calorimetric wattmeter
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SARAH MCCAMMON, HOST: We're going to continue the conversation about guns by looking at one of President Trump's latest policy proposals - to arm teachers in schools. Earlier today, the president tweeted, quote, armed educators and trusted people who
2018年NPR美国国家公共电台2月
SARAH MCCAMMON, BYLINE: Ohio might soon become the latest state to restrict abortions. A bill to ban doctors from performing abortions after a Down syndrome diagnosis has passed both chambers of the state legislature and could be on its way to the go
2017年NPR美国国家公共电台12月
SARAH MCCAMMON, HOST: Drugs like Adderall and Ritalin are commonly prescribed to kids with what's known as ADHD, attention deficit hyperactivity disorder. But recently, adults became the biggest users of these drugs. The new Netflix documentary Take
2018年NPR美国国家公共电台3月
ARI SHAPIRO, HOST: Sunday marks the 10th anniversary of the deadliest campus shooting in American history. Survivors' and victims' families will gather at Virginia Tech in Blacksburg to remember the 32 people who were killed. Many others were injured
2017年NPR美国国家公共电台4月
DAVID GREENE, HOST: With the balance of the U.S. Supreme Court in question, abortion rights advocates are beginning to prepare for a future they hope never to see - one without the protections of the Roe v. Wade decision. The confirmation of Presiden
2018年NPR美国国家公共电台7月
SCOTT SIMON, HOST: During hurricanes like Florence, many people find themselves trapped and needing rescue. This week, while he visited eastern North Carolina, President Trump thanked the first responders who sometimes risk their own lives to help. (
2018年NPR美国国家公共电台9月