我们对于微生物世界的了解只是一点皮毛而已。” 皇家学会是英国的科学学会，享有很高声望。
本文提供了各种有用的查询示例，但我们只是略微涉及一点皮毛而已。
This article gives you a variety of examples of useful queries, but we have only scratched the surface.
使用Hadoop分析数据轻松且高效，对于它对数据分析所提供的支持，我只是了解皮毛而已。
Analyzing data with Hadoop is easy and efficient, and I haven't even scratched the surface of what it has to offer for data analysis.
中学生所学的科目，只是一些皮毛而已。
Middle school students have only scratched the surface of their subjects.
中学生所学的科目，只是一些皮毛而已。
Middle school students have only scratched the surface of their subjects.
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