黑眼圈
先理解核心含义，再看它在真实句子里的用法。
黑眼圈
dark areas under the eyes, typically caused by fatigue or genetics
She has dark circles from lack of sleep.
她因为睡眠不足而有黑眼圈。
黑眼圈
dark areas under the eyes, typically caused by fatigue or genetics
Use dark circles naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from AI_SUPPLEMENT.