词汇	改善境遇
释义	改善境遇 better/improve one's lot境遇
随便看	second meiotic division second member second member of kongdian formation second member of the xujiahe formation Second member of Xujiahe Formation second memory secondments second mesiobuccal root canal orifice second message second messanger second messenger second-messenger second-messenger activity second messenger concept second messenger gated channel second messenger hypothesis Second messenger in cell Second Messenger,Intracellular second messenger molecule second-messenger molecule second messenger operated Ca2+ channels second messengers Second Messengers,Intracellular second messenger system second-messenger system