nicotyl
基本释义
[网络] 烟碱
实用场景例句
学术讨论
Historians debate whether the fall of the Roman Empire had any significant omen precedents.
历史学家争论罗马帝国的衰落是否有任何重要的预兆先例。
日常对话
Many considered the dark clouds a bad omen before the wedding.
许多人认为婚礼前的乌云是个不祥之兆。
留学生活
The first snowfall in autumn was seen as a positive omen for the semester.
秋天的第一场雪被视为学期的一个吉祥兆头。
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