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
- 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）。 - 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。 - 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。 - 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。 - 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。 - Lead-in is the first step in English text teaching and is also an art of teaching.
导入是英语课文教学的第一步，也是一门教学的艺术。 - 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。 - 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。 - 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）。