内部: interior; inside; inward; indoor; depth; viscera; bowel; internal 短语和例子内部联系 internal relations; 国家内部事务 the domestic affairs of a country; 人民内部矛盾 contradictions among the people; 事物的内部规律性 i
合作: cooperate; collaborate; work together 短语和例子互相合作 cooperate with each other; 与朋友合作编纂字典 cooperate with friends in compiling a dictionary; 这幅画是他们合作的。 this painting is their joint work.; 合作部门 s