weight
来自维基词典,自由的词典
来自维基词典,自由的词典
地球吸引物體的引力。廣義而言,亦指恆星、行星或衛行星吸引接近物體的引力。
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.