introductions怎么读？

There are two among their recent introductions that have greatly impressed me.在他们最近引进的东西里面有两样给我留下了非常深刻的印象。With a smile, he makes introductions all round.他微笑着将在场的人一一作了介绍.This book has a superfluity of introductions and su...

n.介绍( introduction的名词复数 )，引言，引进，新采用的东西...