lead-in
英 [ˈliːd ɪn]
美 [ˈliːd ɪn]
n. (主题、故事、表演等的)引子，介绍，开场白
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.- 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。
- They were thrilled, finally, to have a decent lead-in for their 9 a.m. local programs.
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
- it was an amusing lead-in to a very serious matter
双语例句
- 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。 - 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）。 - 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。 - 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？ - 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。 - 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 - 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。 - Lead-in: Today we will talk about Western manners in three aspects: Meeting and Greeting People, Introductions and Table Manners.
导入：今天我们来讨论西方礼仪的三个方面：相遇和问候，介绍以及餐桌上的礼节。 - 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 - Moreover, the explanatory prose is haphazard ( and not infrequently wrong or incoherent& for example, I cannot make heads or tails of the lead-in to the very first example, prime. py).
此外，解释性叙述是随意的（并且经常出错或语无伦次例如，我找不到第一个示例prime.py的介绍的开头或结尾）。