调查: 1.(为了解情况进行考察) investigate; examine; inquire into; look into; survey; (try to) learn the facts about; on (closer) investigation; make an investigation on [of; into]; hold an inquiry into st
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