人们对农业上灭草剂和杀虫剂的用量非常担忧.There is a lot of concern over the amount of herbicides and pesticides used in farming.尽管此方法涉及使用灭草剂的化学药品来去除这些已存的青草.Still another involves using an herbicide chemical to kill the existing grass....
I could not rest under the imputation.我受到诋毁,无法平静.He resented the imputation that he had any responsibility for what she did.把她所作的事情要他承担,这一责难,使他非常恼火.I cannot rest under an imputation.我不能甘受诬陷....
Flavin: Any of a class of organic compounds, pale yellow biological pigments that fluoresce green.黄素: 一组浅黄 、 绿萤光生物色素,在植物和动物组织中分布很广,含量少.The cheaper FNDs fluoresce roughly as well as those produced with an electron beam.此种...