双语例句原声例句
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鲍恩的同事、伊利诺斯州惠顿学院的詹姆斯·霍弗尼尔说：“这是用锯子切割石头最古老的事例。”
"This is the oldest example of saws being used for cutting stone," said Bown's colleague James Hoffineier of Wheaton College in Illinois.
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鲍恩的同事、伊利诺斯州惠顿学院的詹姆斯·霍弗梅尔说：“这是用锯子来切割石头最古老的例子。”
"This is the oldest example of saws being used for cutting stone," said Bown's colleague James Hoffmeier of Wheaton College in Illinois.
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《传统词典》还称，hassle以前的另一个含义是用钝刀切割物品。
The Heritage Dictionary also claims that there was a meaning once of hassle to cut and hack at something with a sawing motion using a dull knife.
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If you have DNA fragments, so this is DNA that you've cut up into fragments using restriction enzymes for example.
如果你有DNA片段,例如有一段你用限制酶,切割成片段的DNA
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This gives you a biological mechanism for cutting, using restriction enzymes, and then you denature so that it falls apart, and then you renature so that it comes back together.
这是一种切割DNA的生物机制,用限制性内切酶,改变DNA的性质让它打开,然后让它合起来恢复它的性质
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If I took this same restriction enzyme and tried to cut the chromosomal DNA of a sickle patient, it wouldn't cut at that point because the wrong sequence is there.
而如果我用同样的限制酶,去切割病人的染色体DNA,那该酶是不会起作用的,因为基因序列不对
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