It's the collision of disparate ideas that alters one's perspective.是迥然不同的观点之间的碰撞改变了人们的看法。The weather alters almost daily.天气几乎天天变化.Pruning , by removing part of the top , alters this ratio.修剪通过剪除部分树冠而改变根冠比....
石蕊: 从几种地衣类植物中获取的带色有机化合物的混合物.Litmus: Mixture of coloured organic compounds obtained from several species of lichens.例如石蕊和酚酞.Examples are litmus and phenolphthalein.它能改变指示剂的颜色,使石蕊和通用指示剂变蓝.It can change the color of the ind...