单词	controlled experiment
释义	controlled experimentconˌtrolled exˈperiment noun [countable] Examples EXAMPLES FROM THE CORPUS This has not yet been measured by a properly controlled experiment. Two of the four specimens known to be infected with M tuberculosis were positive in the controlled experiment. a scientific test done in a place where you can control all the things that might affect the test:  a controlled experiment to determine the effects of light on plant growth
随便看	Milky Way mill Millais, Sir John Everett Millen, Karen millennial millennium Millennium Bridge Millennium Commission Millennium Dome miller Miller, Arthur Miller, Glenn Miller, Henry Miller, Jonathan millet Millett, Kate milli- Milliband, David Milliband, Ed millibar Milligan, Spike milligram millilitre millimetre milliner

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