This is the 270th most frequent Chinese word.
专家
Expert.
In this sentence, '专家' is specifically denoting someone highly skilled and knowledgeable in a specialized profession, demonstrating applied and theoretical ability.
她在教学方法上被认为是教学专家。
She is considered a teaching expert in teaching methodologies.
Here, '专家' is used to identify a professional with specialized knowledge in the focused field of cybersecurity.
我们需要一个网络安全专家来解决这个问题。
We need a cybersecurity specialist to address this issue.
The word '专家' here refers to professionals or authorities recognized for their profound knowledge and contributions in a particular area of expertise.