13. Then the other factors help to set off a cascade of protein signals that give a cell its new identity (see the Review by Gurdon and Melton on p. 1811).
接着,其他的因子帮助细胞关闭蛋白质信号链,从而给予了细胞新的身份。
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14. According to the couple, when the assailant pointed a gun at him, Keith Melton instinctively started walking backward down the hall until he tripped and fell.
夫妇俩回忆当时的情况说,罪犯用枪指着基思·梅尔顿,他本能地向大厅里退,后来绊了一下跌倒了。
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15. "The biggest problem with wave-power generators is that they are relatively expensive," says Keith Melton of the new and Renewable Energy Centre in Blyth, England.
16. "While this could result in a false exclusion, more importantly it could not result in a false inclusion, which is the appropriately conservative legal stance," Dr. Melton said.
17. "While this could result in a false exclusion, more importantly it could not result in a false inclusion, which is the appropriately conservative legal stance," Dr. Melton said.