怀亚特衣着入时，从未有人见过他穿便装。A sharp dresser, Wyatt is never seen in casual clothes.他们或许是着便装的士兵。They might have been soldiers in civvies.他有意穿便装参加聚会.He deliberately dressed down for the party....
Absorbed by solvent, butanone - toluene mixture was analyzed by gas chromatography ( GC ).利用溶剂吸收采集丁酮甲苯混合组分,并用气相色谱 ( GC ) 测定.In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were measured.论文测定了DM...