你即將離開本站

並前往https://www.nationalgeographic.org/encyclopedia/smog/

Smog - National Geographic Society

Smog is air pollution that reduces visibility. The term "smog" was first used in the early 1900s to describe a mix of smoke and fog.

確定！ 回上一頁

查詢 「Reduce noun」的人也找了：

  1. Reduce adjective
    2.
  2. Reduce noun
    3.
  3. Eat noun
    4.
  4. Reduce verb
    5.
  5. Improve noun
    6.
  6. Consume noun
    7.
  7. Refuse noun
    8.
  8. Protect noun
    9.