基本解释adv.自由自在地；無憂無慮地同根派生 lightheartedly相关词英汉例句用作副詞 (adv.)Let us create a conservation-minded campus, in order to have a nice environment to study lightheartedly.讓我們創建一個節約型校園，的在這樣美好的環境下無憂無慮地學習。lightheartedly更多例句