中游

zhōngyóu
  1. the middle stretches of a river
  2. middle level
  3. middle echelon
  4. midstream

CEDICT

  1. middle level
  2. middle reaches (of a river)

Wiktionary

河流介於上游與下游之間的一段。

重編國語辭典

Entry Composition

1 中 zhōng
  1. within; among; in
  2. middle; center
  3. while (doing sth); during
  4. (dialect) OK; all right
=2 游 yóu
  1. to swim
  2. variant of 遊 yóu
=2 游 yóu
  1. to walk
  2. to tour
  3. to roam
  4. to travel

Related entries

中級 zhōngjí middle level (in a hierarchy)
中流 zhōngliú midstream
學生中流傳著一個傳言，說這位老師會讓所有學生考試不及格。

Among the students there's a rumor that this teacher fails everyone on their exams.

Source: Tatoeba