Lead-in
01
连接线, 天线线
wire connecting an antenna to a receiver or a transmitter to a transmission line
02
引言, 开场白
an introductory section or opening statement that sets up or provides context for what follows
例子
The lead-in to the movie was so gripping that it had everyone on the edge of their seats.
电影的开场如此扣人心弦，让每个人都坐到了座位的边缘。
She crafted a strong lead-in for her presentation to capture the audience's attention.
她为她的演讲制作了一个强有力的开场以吸引观众的注意力。
