插: 动词1.(把细长或薄的东西放进、挤入、刺进或穿入; 插上; 插进) stick in; insert 短语和例子把插头插上 insert the plug in a socket; plug in; 把门插上 bolt the door; 把双手插在口袋里 put one's hands in one's pockets; 山峰高插入云 peaks penetrating
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;