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题库 / Prep2007E1-SC-147
By pressing a tiny amount of nitrogen between two diamonds to a pressure of 25 million pounds per square inch, scientists not only were able to transform the gas into a solid, but they also created a semiconductor similar to silicon.
not only were able to transform the gas into a solid, but they also created
not only were able to transform the gas into a solid but also creating
were able not only to transform the gas into a solid but to create
were able not only to transform the gas into a solid but also creating
were not only able to transform the gas into a solid, but they were also able to create
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必须严格的在格式上平行。Not only..but also的also是可以省略的。
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