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来自维基百科,自由的百科全书
身體孔口是動物身體上的開口。
其他的動物有不同的孔口:
內部的孔口包括心瓣之間的心臟孔口。
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.