Paraffin waxes are normally marketed on the basis of a melting - point test.石腊一般按其熔点不同在市场上分类出售.She waxes righteously indignant if anyone tries to contradict her.如果有人想反驳她,她说起话来就会义愤填膺.The moon waxes till it becomes full, a...
The cercospora leaf spot is one of the main diseases infecting sugarbeet.褐斑病是甜菜的主要病害之一,危害性很大.The results show that the Heihe region Cercospora Race greater the number and frequency changes.结果表明黑河地区灰斑病生理小种数目和频率有较大变化....
Pug rubbed a hand over his grimy stubby face.帕格伸手摸了摸他那肮脏的、胡子拉茬的脸.Pug's short assured answers were instinctive returns of the hard straight quizzing.帕格用那几句简短而有把握的话不加思索地答复了对方单刀直入的追询.Burne - Wilke's good claret an...