They will concentrate on teaching the basics of reading, writing and arithmetic.他们将集中教授阅读、写作和算术基础知识。We must concentrate our energies on treating addiction first.我们必须首先集中精力治疗毒瘾。A term in prison will concentrate his mind w...
This paper reports the main results of research and development preparation of 0.2 % celangulins emulsifiable concentrate.简要报道植物杀虫剂0.2%苦皮藤素乳油研究与开发的主要结果.He slept badly at night and couldn't concentrate in class at da...
Scientists test out theories by experiment.科学家用实验来检验理论.Theories abound, but scientists are at a loss to explain this infanticidal behavior.理论比比皆是, 但科学家都处于一种茫然不知所措解释这infanticidal行为.In general, his theories are based on th...