(1)相互作用(影響)(act or have some effect on each other)[I，I+prep(with)]：These ideas～. 這些思想相互影響。Two chemicals～to form another one. 這兩種化學(xué)物質(zhì)相互作用生成另一種化學(xué)物質(zhì)。The bacteria's genes～with those of many plants. 細(xì)菌的基因與多種植物的基因相互作用。
(2)(人)相互配合(協(xié)調(diào))((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.母親與嬰兒的相互交流是很復(fù)雜的。The children are～ing well (with each other). 孩子們相處得很好。
→?inter′action n 相互作用(影響，配合);?inter′active adj 相互作用(影響，配合)的