(1)相互作用(影响)(act or have some effect on each other)[I，I+prep(with)]：These ideas～. 这些思想相互影响。Two chemicals～to form another one. 这两种化学物质相互作用生成另一种化学物质。The bacteria's genes～with those of many plants. 细菌的基因与多种植物的基因相互作用。

(2)(人)相互配合(协调)((of people)act together so as to work or communicate with each other)[I，I+prep (with)]：Mothers and babies～in a very complex way.母亲与婴儿的相互交流是很复杂的。The children are～ing well (with each other). 孩子们相处得很好。

→͵inter′action n 相互作用(影响，配合);͵inter′active adj 相互作用(影响，配合)的