| 单词 | 他们无忧无虑 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔light-hearted〕They were light-hearted and prepared to enjoy life.他们无忧无虑, 就准备享受生活了。外研社新世纪〔light-hearted〕They were light-hearted and prepared to enjoy life.他们无忧无虑，随时准备享受生活。柯林斯高阶 |
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