它意味着外生的铀进入到沙岩中.It includes epigenetic uranium impregnations in sandstone.当TS2成立时我们说解释变量是严格外生的.When TS 2 holds we say the explanatory variables are strictly exogenous....
Michael made us all laugh with his zany tricks.迈克尔玩儿弄各种可笑的把戏把我们都逗笑了.She made us all laugh with her zany tricks.她那些滑稽的恶作剧逗得我们都大笑起来.He tried lecturing in California again with great success in the style of zany inconsequen...