connected with something that is happening or of interest at the present time 有关时事的；当前关注的；热门话题的 a topical joke/reference 时事笑话；提及热门话题 topical events 当前人们所关注的事件 They met to discuss matters of topical interest. 他们聚在一起讨论时事。 We try and keep the advice topical. 我们尽量保持建议的主题性。
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medical 医学 connected with, or put directly on, a part of the body （身体）局部的，表面的
Word Originlate 16th cent.: from Greek topikos + -al. Early use was as a term in logic and rhetoric describing a rule or argument as ‘applicable in most but not all cases’.