They were conversing in the parlor.他们正在客厅谈话.They were conversing in German, their only common language.他们正用德语交谈,这是他们唯一的共同语言。Conducting business with her is fine but I find that actually conversing with her is quite diffi...
Seven million doses of vaccine are annually given to British children.英国孩子每年要接种7百万剂疫苗。The vaccine represents a quantum leap in healthcare...这种疫苗的问世是医疗保健领域的重大突破。The major Merozoite Surface Protein 1 ( MSP 1 ) of falciparu...