moderator cooling system
基本释义
化剂冷却系统
实用场景例句
日常对话
Stop niggling over small details, we have bigger issues.
别挑剔小细节，我们还有更重要的问题。
校园生活
He niggled about the project deadline with his professor.
他和教授就项目截止日期斤斤计较。
留学生活
She niggled at the housing conditions but eventually accepted them.
她对住宿条件吹毛求疵，但最终还是接受了。
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