lead in

基本解释

Washington and Seoul also want guarantees that South Korea would take the lead in overseeing any humanitarian operations for the North.
华盛顿和首尔也希望得到韩国在监督在朝鲜的人道主义行动中发挥领导作用的保证。
But, for now, as these companies exist today along with the global customers they serve, each has a substantial lead in a large and critical industry.
但是，现在这些公司存在着，而且与它们所服务的全球的消费者共同存在，每一个公司的领先地位都非常稳固。
The new standards adopted will go a long way towards protecting human health, as they set out new, maximum limits for lead in fish, cadmium in rice, marine bivalve molluscs and cephalopods.
通过的这些新标准将对保护人类健康大有帮助，因为它们提出鱼类中铅以及大米、海洋双壳贝类和头足类动物中镉的新的最高限量。

The American food company Mars took the lead in paying for mapping the genes of the Forastero cocoa tree.
New York City took the lead in that and we'll talk about that as a political issue later in the class.
纽约带头取缔了反式脂肪,这件事我们将稍后从政治角度进行讨论
耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选
I thought this would be a good lead in to the second theme of this lecture, which is framing.
我认为这可以为第二个主题,即框架效应，开个好头。
耶鲁公开课 - 金融市场课程节选

Pro-choice groups themselves could take the lead in offering their equivalent to Medigap Insurance for seniors.
FORBES: Should The Government Fund Abortions?