trivial

US /ˈtrɪviəl/

UK /'trɪvɪəl/

B2 中高級英檢高級多益
adj.形容詞瑣細的;不重要的
Don't worry, trivial information won't be on the test
adj.形容詞簡單的
The calculation was trivial once I had the formula

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【TED】偉大發明背後的故事 (Dean Kamen: The emotion behind invention)

19:30【TED】偉大發明背後的故事 (Dean Kamen: The emotion behind invention)