单词：refined diphtheria antitoxin
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The advantage of this transit method is that it is well-suited to mass production. 这种中天方法的优势在于非常适合大量成果产出。 Kepler was designed to stare fixedly at a single patch of sky in the constellation of Cygnus, observ
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In 1517, the great Italian artist Michelangelo climbed Mount Altissimo in Tuscany. There, he found the marble of his dreams. Michelangelo thought the marble might even be better than that from nearby Carrara the place where he got marble for some of
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如果我休息，我就会生锈 The significant inscription found on an old key---If I rest, I rust---would be an excellent motto for those who are afflicted with the slightest bit of idleness. Even the most industrious person might adopt it with a
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My father was a self-taught mandolin player. He was one of the best string instrument players in our town. He could not read music, but if he heard a tune a few times, he could play it. When he was younger, he was a member of a small country music ba
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The significant inscription found on an old key---If I rest, I rust---would be an excellent motto for those who are afflicted with the slightest bit of idleness. Even the most industrious person might adopt it with advantage to serve as a reminder th
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The significant inscription found on an old key---If I rest, I rust---would be an excellent motto for those who are afflicted with the slightest bit of idleness. Even the most industrious person might adopt it with advantage to serve as a reminder th
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