The movie's leadin scene set the tone for the entire film.

电影的引言场景为整部影片定下了基调。

A strong leadin can make a big difference in a presentation.

一个强有力的引言可以在演讲中起到很大的作用。

The article's leadin provided a brief overview of the main points.

文章的引言简要概述了主要观点。

The teacher's leadin to the lesson was both engaging and informative.

老师的引言既有趣又有教育意义。

The speaker used a humorous leadin to capture the audience's attention.

演讲者使用了一个幽默的引言来吸引观众的注意力。

UV exposure also may increase the risk of macular degeneration, the leadin.g cause of blindness in people over age 65.

视网膜功能衰退是导致65岁以上老人眼盲的首要原因，而紫外线直射也是导致视网膜功能衰退的杀手之一。

Who's to blame for the life that tragedies claim no matter what you say it won't take away the pain, that I feel inside I'm tired of all the lies don't nobody know why it's the blind leadin the blind.

谁被生命所指责，悲剧总是声称不管你说什么都不会带走痛苦，我感觉到内心，我厌恶所有的谎言，没有人知道为什么，那就是昏瞎引导着昏瞎。