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

• To employ this method during the part of Lead-in in English listening class may arouse the students enthusiasm and tap their listening potentialities to improve their listening comprehension.
  英语听力教学中的听前导入可以充分使用该方法以调动学生听力学习的积极性，挖掘学生的听力潜能，提高听力理解能力。
• 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。
• 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。
• 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
• 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。
• This product is suitable for dynamic force lead-in circuits in mining enterprises and power circuits in mining area.
  本产品适用于煤矿企业动力引入及矿区的电力线路中。
• 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。
• Planets roll on their courses. Writing lead-in area
  行星在轨道上运行。正在写入导入轨
• Secondly, applied the classroom lead-in to the chemistry teaching practice, and summarized the teaching effect.
  应用课堂导入法进行了教学实践，并对教学效果进行了总结。
• A 2-week lead-in period, free from eggs, preceded the 8-week period of egg consumption.
  先进行2周不吃鸡蛋的前期试验，然后进行为期8周的鸡蛋摄取试验。