expansion基本解释
n,膨胀；阐述；扩张物,同近
expansion相关例句和用法The industry underwent a period of rapid expansion..该产业经历了一轮快速扩张。
expansion英英释义膨胀；阐述；扩张物英释nnwhen a company, business etc becomes larger by opening new shops, factories etc
expansion短语thermal expansion,热膨胀.短语