单词：locking track circuit
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A zoo employee was bitten by an African puff adder, a large poisonous snake. He was trying to put the snake into a bag so that it could be moved to a new snake house. The snake handler was wearing heavy gloves and thick boots, but the adder sank its
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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
One has 7mm venomous fangs that can pierce fingernails, others a bite so powerful it can cut a human in half and one a poisonous sting so painful it can lead to a heart attack. 七毫米的毒牙，能将人撕成两半的咬合力，让人疼出心脏
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BASE IMAM ALI, Iraq, Dec. 16 (Xinhua) -- The U.S. military handed over its last base in Iraq to the Iraqi authorities on Friday, a day after the U.S. force marked the end of its mission in the country. The transfer ceremony was held at the base in th
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