/ 5IntEpleI; `IntL9ple/ n [U] ~ (of A and B/between A and B) way in which two or more things have an effect on each other; interaction 相互作用; 相互影响; 互相合作; 一起活动: the subtle interplay of colours (ie their combined effect) in Monet's painting 莫奈绘画中的色彩的相互掩映 * the interplay between generosity and self-interest which influences people's actions 影响人的行为的慷慨与私利两者的相互作用.