Every chemical compound must have a definite composition, which can be expressed by the symbols of its elements.
每一种化合物都必须有确定的组成,这可以用其元素的符号来表示。
"The only thing worse than being talked about is not being talked about."
一本好书的标准在于它能在多大程度上扰乱和困扰读者。
解析:告诫人们要珍惜所得。
每一次写作都是背叛的行为。