他在发明电话后首次的一项实验中,改善了留声机的品质.One of his first experiments after the telephone bettered the phonograph.首次的约会使他畏怯.He was daunted by his first date.首次的年会给与了很大程度的媒体报道.The first annual meeting was given wide media coverage....
中间的那片园地上, 很美丽地点缀着林木.The intermediate ground , however, was beautifully studded with timber.那教堂的东边窗户,有著美丽地彩色玻璃.The church's east window has beautifully colored glass....
Dibenzofuran ( DF ) is one of the model compounds for the study of biodegradation of dioxin - like pollutants.二苯并呋喃 ( DF ) 是研究二英类化合物生物降解的模式化合物之一.The iron ore sintering process is one of dioxin pollution sources.铁矿石烧结过程是二...