The method was established for purification of diflubenzuron by crystal technique with mixed solvents.本文论述了利用混合溶剂——结晶法提纯除虫脲的分析技术.The separation and determination of the primary impurities of diflubenzuron by liquid chrom...
参议员西摩威胁说要发表长篇演说来阻挠议案通过。Senator Seymour has threatened a filibuster to block the bill.他们之间曾经有过默契，那便是他不会到西摩屋去找她。There had been an unspoken agreement between them that he would not call for her at Seymour House.西摩尔的 “ 游戏 ” ...
深深浅浅的各种木槿色、丁香色、熏衣草色和紫色都是流行色。All shades of mauve, lilac, lavender and purple were fashionable.大街的两旁种着蓝花楹，绽放的花朵汇成一片紫色的海洋。The avenues lined with jacaranda trees burst into a carnival of purple.它的大叶子往往带点紫色。Its large leaves o...
不要让嫩枝爬上篱笆，要令其沿着篱笆伏地向两边长。Instead of training the shoots up the fence, lay them flat in both directions alongside it.鹿群正在吃树上的嫩枝.The deer were eating the young shoots on the trees.花匠正在掐掉嫩枝.The gardener is pinching off the y...
Our gunboats are ploughing the waves.我军炮艇正在破浪前进.A lot of gunboats were in port.港口里停着许多炮艇.Coming up behind them were warships and gunboats.紧跟在他们后面的是军舰和炮艇....
The distiller has aged all his whisky for more than ten years.制酒师把全部威士忌酒存放了十多年.The wine is brewed with distiller's yeast and tastes good.这些酒是用酒曲酿造的,非常香甜.The distiller aged all his whisky for more than ten years.制酒师把...