基本解釋拉伊同根派生 Layi相關(guān)詞英漢例句Scientific research should be geared to the need of production, layi stress on application and serve the economic construction 面向生產(chǎn)注重應(yīng)用走科學研究服務(wù)經(jīng)濟建設(shè)的道路Layi更多例句