They interrupted the customary one minute's silence with jeers and shouts.他们讥讽着，喊叫着，打破了惯常的那一分钟沉默。He listened to the jeers of the crowd without flinching.他毫不畏惧地听着群众的嘲笑.He stared sullenly into space, pretending not to...
A new dispersing agent ( WPJ - A ) for 38 % atrazine suspension concentrates was developed.研制了用于38%莠去津悬浮剂的新型分散剂 ( WPJ-A ) .The soil microbial biomass was not significantly affected by atrazine and butachlor at the same d...
Insects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds , if it were not for the protection we get from insect - eating animals.昆虫会使我们无法在这个世界上生存: 如果不是由于...
The contents of camphor, mentholum, isoborneol and borneol in Guanxingao are determined by gas chromatography.用气相色谱法测定了冠心膏中樟脑 、 薄荷脑 、 异龙脑和龙脑的含量.Objective : To establish a Capillary GC method for the determination of Isob...
Boylan plays with language, letting the prose sprawl about before tightening it suddenly to great effect.博伊兰随心所欲地驾驭着语言，先是任文章自由铺展，然后猛地收住，产生了绝好的效果。Brad was being purposely bumpkinish reacting unfavorably to Boylan's m...