topping n. 糕点上的装饰配料；构成顶部的东西；除顶部；修剪树稍
adj. 高耸的；杰出的，一流的
topsinn. 托布津（广谱性内吸杀虫剂）
网络短语:
metyl topsin 甲基脱布津
Mildethane topsin Cercobin 托布津
topsin methyl-thiram wettable powder 甲基托布津；翻译
英语例句库
Dimethyl fumarate, metyl topsin and sodium dehydrogene acetate were used in the antiseptic treatment during storage of Kudzu. The experiment indicated that the effects of metyl topsin was the best. 试用富马酸二甲酯、甲基脱布津、脱氢醋酸钠3种防腐剂对抑制葛根采后的霉变情况进行初步研究,结果表明:在所用3种防腐剂中,甲基脱布津的防霉效果最好。