相关单词同義詞emergence, going on, event, discovery, appearance, circumstance, scene, 近義詞 happening, event臨近詞ocean, occur, occurrences, occurrence law, occurrencearea, occurrence net, occurrence mode, Occurrence site, occurrence time, Occurrence type, occurrence area, Occurrence date相似詞occupier, occupy, occur, occur to sb, ocean, ocean-going, Oceania, oceanic, 返回 occurrence