在脱落过程中生长素与脱落酸有拮抗作用。It is antagonistic abscisic acid in abscission.生长素主要是从旺盛生长新梢上正在发育的幼叶产生出来.Auxins are produced mainly by young developing leaves on actively growing shoots.当一植物对不平衡地施用生长素起反应时, 总是产生乙烯.Whenever a plant res...
He surrounds himself with attractive, intelligent, or well-known people.他混迹于有魅力、有学问或有名气的人当中。A mosquito - netting completely surrounds our bed.一顶蚊帐把我们的床完全围住了.A wall surrounds the garden.一座墙围绕着花园....