The active ingredient in some of the mouthwashes was simply detergent.某些漱口剂中的有效成分只不过是洗涤剂而已。Commonly prescribed are anti - microbial mouthwashes containing the active ingredient chlorhexidine gluconate.抗菌抗菌漱口水都包含有效成分--太葡糖...
He is course tutor in archaeology at the University of Southampton.他是南安普敦大学考古学课程导师。He was my personal tutor at university.他是我大学时的个人指导教师。They engaged a resident tutor.他们聘用了一名住家的家庭教师....
He reaffirmed their determination to tackle inflation.他重申了他们要解决通货膨胀问题的决心。The desultory discussion merely reaffirmed old perplexities.这次讨论完全不着边际,仅仅重申了过去那些纠缠不清的老问题.She reaffirmed that she was prepared to help.她再次表明她乐于提供帮助....