lead-in

英 [ˈliːd ɪn]

美 [ˈliːd ɪn]

n.  (主题、故事、表演等的)引子，介绍，开场白

电力

牛津词典

noun

• （主题、故事、表演等的）引子，介绍，开场白
  an introduction to a subject, story, show, etc.

柯林斯词典

• N-COUNT 引子；前奏；开场白
  Alead-inis something that is said or done as an introduction before the main subject or event, especially before a radio or television programme.
  1. They were thrilled, finally, to have a decent lead-in for their 9 a.m. local programs.
     终于，他们为上午9点播出的本地节目有了一段像样的片头而高兴得不得了。

英英释义

noun

• wire connecting an antenna to a receiver or a transmitter to a transmission line
• the introductory section of a story
  1. it was an amusing lead-in to a very serious matter
  Synonym:leadlede

双语例句

• Lead-in is the first step in English text teaching and is also an art of teaching.
  导入是英语课文教学的第一步，也是一门教学的艺术。
• These are all the lead-in numeral correspondences of the normal regulations hard solve of.
  这些都是常规的无线数字通信难以解决的。
• Conclusions It is a utility way to enhance oral outpatient clinic management, elevate the quality of treatment and teaching, and decrease the outpatient's complains by lead-in dentist assistant.
  结论引入牙医助理是加强口腔门诊管理，提高医疗和教学质量，减少病人投诉的有效途径。
• On the Highlight in College English Teaching& Classroom Lead-in
  论大学英语教学的亮点&课堂导入
• Application of On-line Stoppling Technology in the Improvement of Pressure Lead-in Pipe in West-to-East Gas Transmission Pipeline
  在线封堵技术在西气东输引压管改造的应用
• It also provides a natural lead-in for your observations and suggestions for improvement.
  同时利用这一机会，你还可自然地表达你的想法和改进的建议。
• During a4-week lead-in, the subjects received premeal regular plus twice-daily NPH insulin.
  在第一个4周期间，这些病人接受了一日两次的餐前规律中效胰岛素治疗。
• Among several teaching links, lead-in is one of the most important parts.
  其中，“课堂导入”是整个教学环节中十分重要的一个环节。
• The experimental results show that the bolt can lead-in the nut successfully, and verify the reasonableness of bolt lead-in device mechanism design.
  在螺栓引入装置试验样机上进行螺栓引入试验，结果表明螺栓能成功引入螺母，验证了螺栓引入装置结构设计的合理性。
• During the lead-in stage, use all the possible teaching methods and materials to help students get more knowledge about the topic of the new unit and cultivate the interest in learning.
  在新单元的引入阶段尽可能的使用手边的材料和设备帮助学生了解新单元的主题并了解更多的信息，并努力激发学生对于新课学习的兴趣。