线路: 1.[电学] circuit; line 短语和例子电话线路 telephone line; 电报线路 a telegraph line2.[交通运输] line; route 短语和例子公共汽车线路 bus line; 航空线路 airline; 线路图 circuit diagram; written circuit; chart; branching program;
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