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...
His single-minded pursuit of European union helped chase Mrs Thatcher from power.他对欧洲统一的执著追求在一定程度上促成了撒切尔夫人的下台。The moment Mrs Thatcher fell from power has left a lasting imprint on the world's memory.撒切尔夫人倒台的那一刻在世人的记...
They think all backpackers are tramps.他们认为所有背包的人都是徒步旅行者.The police hustled the tramps into the patrol car.警察将那些流浪者强行推入巡逻车中.The tramps wanted to know why Lucky never put down the luggage.两个流浪汉想弄明白,为什么幸运儿总是提着行李不放到地上....