lead-in

• 名词，指故事、讲话等的开场部分或引子；也指连接天线与接收机/发射机与传输线的导线。

A noun referring to the introductory section of a story or a wire connecting an antenna to a receiver or a transmitter to a transmission line.

1. Introductory sectionB2formal

   The opening part of a story, speech, or broadcast that sets the context or attracts attention.

   引言

   • The journalist wrote a compelling lead-in to the news report.
   • The comedian's lead-in was a short joke about the audience.
   • The documentary had a dramatic lead-in that hooked viewers immediately.

   同义词hookintrointroductionleadopeningpreambleprefaceprologuesetup

2. Antenna or transmission wireC1formaltechnical

   A wire or cable that connects an antenna to a receiver or a transmitter to a transmission line.

   馈线

   • The technician replaced the old lead-in to improve signal quality.
   • A damaged lead-in can cause poor television reception.
   • The lead-in from the antenna was routed through the wall.

   同义词drop linefeedertransmission line