(noun.) the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
(noun.) the way two individuals relate to each other; 'their chemistry was wrong from the beginning -- they hated each other'; 'a mysterious alchemy brought them together'.
(noun.) the chemical composition and properties of a substance or object; 'the chemistry of soil'.
校对:凯特
手打:曼弗雷德