接触: 1.(交往) come into contact with; get in touch with 短语和例子保持接触 maintain contact; 接触语言环境 give sb. more exposure to the language environment; 代表团接触了各界人士。 the delegation met with people from all
组合: 1.(组织成为整体) make up; compose; constitute 短语和例子这本集子是由诗、散文和短篇小说三部分组合而成的。 this collection is made up of three parts: poems, essays and short stories.2.(组织起来的整体) association; combination3.[数学]