vernal fever
基本释义
春季热（即疟痰）
实用场景例句
学术讨论
The researchers were unwilling to change their methodology.
研究人员不愿意改变他们的方法论。
日常对话
He was unwilling to help his colleagues with the project.
他不愿意帮助同事完成这个项目。
校园生活
The student was unwilling to attend the extra classes.
学生不愿意参加额外的课程。
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