1.basic research理论[科学, 基本]研究； 2.be engaged in research从事研究； 3.make scientific researches on进行...的科学研究； 4.research into 研究,...
make a decision 作出决定；Think over the matter and then make a decision. make fun of 取笑某人；Its cruel to make fun of a cripple make sentences...
