生活总是让我们遍体鳞伤，但到后来，那些受伤的地方会变得更坚强。The world breaks everyone, and afterward, many are stronger at the broken places.有时候要到达谷底，才会慢慢变好。Sometimes things have to fall apart to make way for better things.人生就应该是快乐的，要抓住每一天，孩子们，让你们的生...
对于处在年龄两极的人,细菌性肺炎可能使流行性感冒复杂化.The bacteria pneumonia may complicate influenza at extremes of age.这个电池两极的电动势是3.6伏特.The electromotive force between the two poles of this battery is 3.6 v.为什么地球赤道的周长比两极的周长长那么多?Why is earth...
This precipitate dissolves in an excess of aqueous ammonia.这个沉淀能溶解在过量的氨水中.Clearly aqueous preservative systems must possess a fixation mechanism.显然,水溶性防腐剂必须有固定的历程.Activated carbon, alumina are often used to remove many t...