The relationship between plant and pollinator is a mutualistic one.植物和授粉动物之间的关系是典生关系.The fig - pollinator mutualism system is maintained by the reproductive relationships.和榕小蜂共生体系是由宿主和共生者之间的生殖配合维系的.They think O - zone in...
她对20世纪60年代的理想主义一直心怀崇敬。She never lost her respect for the idealism of the 1960s.他们心怀恐惧地退缩了。They backed off in horror.他闷闷不乐、心怀怨恨、一言不发地转过身去了。He turned away in sullen, resentful silence....