topic
美 [ˈtɑpɪk]英 [ˈtɒpɪk]
- n.话题;题目;标题
- adj.【医】局部的
- 网络主题;专题;论题
复数:topics

topic
1.话题;题目;标题a subject that you talk, write or learn about
IDM
on topic
切题appropriate or relevant to the situation
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