1. introduce;open one's remarks 做介紹;開場
The chairman led in with some flattering references to the visiting speakers'record in the industry. 主席對請來的演講人在本行業中的經歷作了一番恭維的介紹。
2. (electricity)come in;enter;bring in(電)引入;使領入
They intend to lead the wires in through this hole. 他們打算從這個孔把導線引入。