单词	substrain
释义	substrain /ˈsʌbstreɪn / noun A strain of a virus derived from another strain.During treatment the substrains with the steepest kill curve will disappear first.... This conclusion might be limited to the substrains that were used in Chubb's article. Experiments with "knockout" mice, substrains with specific genes subtracted from their genome, have made it easier to decipher how the many cytokines contribute to immune cell maturation.
随便看	navigationally navigational system navigation beacon navigation channel navigation law navigation lights navigation satellite navigation system navigator navigatory Navratilova, Martina NAVSTAR navvy navvying navy navy agent navy bean navy bill navy blue navy board navy book Navy Cross Navy Cut Navy Day Navy Department

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