zhuān
jiā
1
expert
2
specialist
这位专家在会议上发表了重要的演讲。
This expert gave an important speech at the conference.
我们需要请一位专家来解决这个问题。
We need to invite an expert to solve this problem.
这个问题需要请专家来研究。
This problem requires experts to study.
这位专家对环境保护有丰富的经验。
This expert has rich experience in environmental protection.
他是一位知名的专家,受到广泛的认可。
He is a well-known expert who is widely recognized.
专家建议我们采取更有效的措施。
The expert suggests that we take more effective measures.