The community of scholars, researchers, and educators involved in academic pursuits, typically associated with universities and other institutions of higher learning.

1. His groundbreaking research has caused quite a stir in academic circles.
   他的開創(chuàng)性研究在學術界引起了相當大的轟動。
2. The theory is widely accepted in academic circles but remains controversial among the general public.
   這個理論在學術圈內廣受認可，但在普通大眾中仍有爭議。
3. She's well-known in academic circles for her contributions to environmental science.
   她因對環(huán)境科學的貢獻在學術界享有盛名。