The success of wind power represents a litmus test for renewable energy.风能作为动力的成功是对可再生能源一次立见分晓的检验。Litmus paper can be used as an indicator of the presence of acid in a solution.石蕊试纸可用以测试溶液是否含酸.Her litmus test for good br...
Better bairns greet than bearded men.宁让小孩哭泣,莫让大人垂泪.By and large, the papers greet the government's new policy document with a certain amount of scepticism.总体上，报界对政府的新政策文件将信将疑。There General Walters would come aboard...