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。
• Planets roll on their courses. Writing lead-in area
  行星在轨道上运行。正在写入导入轨
• 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。
• 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。
• Lead-in and management of relevant archives from other systems can be achieved by hierarchical and level-to-level management of client, equipment and acquisition point archives.
  对客户、设备、采集点档案进行分层分级管理，可实现从其它系统进行相关档案的导入和管理。
• 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
• 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。
• 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。
• Chain-track combine Writing lead-in area
  链轨〔履带〕式联合收获机正在写入导入轨
• 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。