Remove ads
来自维基百科,自由的百科全书
人到年老時下巴會逐漸萎縮,這是老化現象的一個過程。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.