Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford Dictionary

   rocket science

   英式

   • n.
     something very difficult to understand

   • noun: rocket science

2. • 釋義

   n.

   名詞

   • 1. humorous something very difficult to understand we want you to get out and vote—it's not exactly rocket science