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

• As an English teacher, which methods of lead-in do you often use so as to arouse students'interests in class?
  请结合教学实例，谈谈你采用了哪些导入法来激发学生的学习兴趣？
• Design of Self-Centering Expansion Clamp of the Gland Nut in the Lead-in Device of Rubber Pipe Cable for Mine Explosion-Proof Electric Equipment
  矿用防爆电器设备用橡套电缆引入装置中压紧螺母自定心膨夹具的设计
• The value model will have inputs such as market size, growth rate, prices, discounts, and lead-in to sales of other products; the model computes how these combined inputs translate to license sales.
  价值模型的输入包括市场规模，增长率，价格，折扣，其他产品的销售广告，等等；模型计算出这些组合起来的输入如何变为产品销售。
• 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。
• 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。
• Hence, I designed a kind of product, named the lead-in control device.
  为此，本次设计了一种产品，名为无限摇控打卡器。
• Chain-track combine Writing lead-in area
  链轨〔履带〕式联合收获机正在写入导入轨
• 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。
• 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。
• 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。