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

• 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。
• 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。
• 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。
• This thesis has studied the classroom lead-in in senior high school English class.
  本文主要针对高中英语课堂导入进行了实验研究。
• 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。
• Primary endpoint was objective response rate ( ORR) per mRECIST in the lead-in stage.
  主要的研究终点是每个可评价病灶在诱导期治疗获得的客观有效率（ORR）。
• 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。
• 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。
• 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。
• 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。