topicalWiktionary 原文英/ˈtɒp.ɪ.kəl/美/ˈtɑ.pɪ.kəl/adj.论题的，题目的，时事问题的，局部的中文释义来自 ECDICT构词拆解topictopic词干al-al后缀-alOf or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also. · Forming nouns, especially of verbal action.词源说明From topic + -al.释义形容词adjective1Relating to a particular topic or subject.2Relating to a topic or subject of current interest.3Local to a particular place.4(medicine, not comparable) Applied to a localized part of the body