常見例句The extracts of Xanthium sibiricum had insecticidal effect on armyworm.蒼耳提取物對粘蟲具有一定的殺蟲傚果。On contrast, the anti-feeding effects of the extracts from petroleum ether and ethyl acetate to small vegetable-moth are smaller than those to armyworm.但對小菜蛾而言,石油醚萃取物和乙酸乙酯萃取物的拒食作用不如對粘蟲作用明顯。 返回 armyworm