n.化学( chemistry的名词复数 )；物质的化学组成（或性质）；（常指有强烈性吸引力的）两人间的关系； 双语释义：n.(名词)[U]化学 scientific study of the structure of substances, how they react when combined or in contact with one another, and how they behave under different conditions英英释义： chemistryn.the scien