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	pin bone pinboy pin-brained pin bullock pin buttock PINC pincase pince-nez pince-nez'd pince-nezed pincens pincer pincered pincer-leg pincer movement pincers pincerwise pincette pinch pinchable pinchbar pinch batter pinchbeck pinch-belly pinch bottle

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