柯林斯詞典combust /k?m?b?st/ 1. ADJ (of a star or planet) invisible for a period between 24 and 30 days each year due to its proximity to the sun (指行星或星球)由於接近太陽而有24到30天看不見的[astrology] 2. V to burn 燃燒[chem] 返回 combust劍橋詞典to start to burn 開始燃燒 The whole ship might spontaneously combust (= start burning without being set on fire ). 整條船都可能自燃起來 返回 combust