introductions的例句（introductions在句子中的用法）

• 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 summaries. 此本书中有多余的介绍和摘要.
• 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。