introduction基本解释

n,介绍；引进；采用；入门；传入,同近

The book is a friendly, down-to-earth introduction to physics..这是一本简明、实用的物理学入门书。

介绍；引进；采用；入门；传入英释nnthe act of bringing something into use for the first time

introduction of,引进；引入.短语