每一部分都用图片讲解。Each section is explained pictorially.同学们对老师用风趣的方式讲解他们的错误很感兴趣.The students enjoyed their teacher's bantering them about their mistakes.你给孩子们讲解要设法讲得简单明了.Try to simplify your explanation for the children....
利率有望早日下调，从而增强了人们的信心。Hopes of an early cut in interest rates bolstered confidence.他呼吁自己的同胞不要丧失信心。He appealed to his countrymen not to lose heart.这艘船上的船员现在都已精疲力竭，彻底丧失了信心。The ship's crew were now exhausted and utterly ...
In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.The alkylation of anisole with tert - butanol in hexane solution was inve...