話題 は英語でtopic 英語の定義 話題 1. n. topic 2. n. subject of conversation その他の翻訳と定義 topic 1. 名詞. 話題 topic 1. adj. Topical. 2. n. Subject; theme; a category or general area of interest. A society where a topic cannot be discussed, does not have free speech. 3. n. (Internet) Discussion thread. 4. n. (obsolete) An argument or reason. 5. n. (obsolete, medicine) An external local application or remedy, such as a plaster, a blister, etc. ウィクショナリーから辞書引用辞書