scratch the surface of

基本解释

to talk about climate change, renewable energy or staycations is merely to scratch the surface of something much deeper.
我们谈论着气候变化，可再生能源和宅度假，而这只抓住了深层信息表面上的一些皮毛。
The features and methods discussed in this article really only scratch the surface of what you can accomplish with an ADC.
这篇文章中对于特性和方法的讨论仅仅是浅尝辄止，旨在让您了解可以利用 ADC 实现哪些目标。
"While annotations are brilliant, they only scratch the surface of the metadata that needs to be supported," he said.
“虽然注释极为出色，但它们仅是需要支持的元数据最表面的一层”，他说。

So, they developed this bifurcated tool, which would be appl--you'd put the stuff on the surface of the tool and then you'd scratch the skin in a certain way so that you could produce sort of a reproducible introduction of the vaccine into the skin.
所以他们发明了一种分为两叉的工具,把疫苗抹在这种工具表面上,然后以某种方式在皮肤上刮,这样就能将疫苗,重复不断地引入到皮下
耶鲁公开课 - 生物医学工程探索课程节选

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