Dimetone
双甲酮, 二甲基环已二酮
🗣️ 情景例句
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Custom without reason is but ancient error.
习俗没有道理，古代谬误而已。
When someone dies, all the relations, old and young, come to the marae for the Maori burial service.
当某人死亡后，所有亲戚，无论老幼，均要到集会地参加毛利人的葬礼。