This is the 3912th most frequent Chinese word.
专业性
Professionalism; expertise.
In this sentence, '专业性' refers to a teacher's professional quality and skill displayed when explaining concepts effectively.
这个老师讲课非常有专业性，让学生们很容易理解复杂的概念。
This teacher has a great sense of professionalism in teaching, making it easy for students to understand complex concepts.
Here, '专业性' highlights the expertise and professionalism that make the research team's work recognized globally.
我们的研究团队以其高水平的专业性闻名，吸引了许多国际合作。
Our research team is renowned for its high level of professionalism, attracting numerous international collaborations.
In this example, '专业性' indicates the necessary professional qualities and skills needed for performing the job effectively.