单词：Opisthorchis sinensis
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Pre-Listening Vocabulary binomial nomenclature: a two-part system for naming species (e.g., Panthera tigris) genus: a subdivision of a family of organisms (e.g., Panthera is the genus for tigers, lions and leopards, and a subdivision of the Felidae f
Facts-事实
-How does it work then? There are millions of insects out there in the air you sweeping. You target specific individuals.-That's right, so we have an individual honey bee which will be carrying this very small fine container on its back. And that's t
探索与发现2013年
DAVID GREENE, HOST: Kansas voters are going to choose their nominees for governor tomorrow. And on the Republican ballot is Kansas Secretary of State Kris Kobach. Now, he became nationally known for imposing a strict voter registration law that was l
2018年NPR美国国家公共电台8月
The site was once a spring-fed pond, full of water. Mammoths were tempted in to drink. But when they tried to climb back out, the banks were steep and slippery. Just like the short-faced bear imprisoned underground, some became trapped. Scavengers wo
探索与发现2012年
LOS ANGELES, May 15 (Xinhua) -- This weekend tunes out to be a time when the superhero from Thor held on to his crown with a big hammer, grossing a total of 100 million dollars in sales in North America, the box office authority reported on Sunday. H
英语新闻
LOS ANGELES, May 8 (Xinhua) -- The crown of the North America box office was stormed by a hammer-wielding god from Thor, the latest in the Marvel Studios productions, as the Paramount- distributed epic adventure opened with 66 million dollars in esti
英语新闻