Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford Dictionary

   propulsion

   • IPA[prəˈpʌlʃn]

   英式

   • n.
     the action of driving or pushing forwards

   • noun: propulsion

2. • 釋義

   n.

   名詞

   • 1. the action of driving or pushing forwards they dive and use their wings for propulsion under water