Minute fragments of shoot apices are proverbially difficult to culture.微小的茎尖切段通常是难以培养的.This concept has now been replaced, for stem apices, by the tunica - corpus theory.此观点目前已经被原套原体学说所取代....
Their economy crumbled under the weight of United Nations sanctions...在联合国制裁的重压之下，他们的经济崩溃了。A full-scale debate is under way on what ails the industry.关于工业为何陷入困境正在展开一场全面的讨论。Racism is wholly unacceptable under any circumst...
你认为最被纵容的过错是 什么 ?我理解的那些过错.To what faults do you feel most indulgent? Those that I understand.纵容的父母经常会惯坏孩子.Pampering parents often have spoilt children.你认为最被纵容的过错是 什么 ?To what faults do you feel most indulgent?...