(adj.) (of e.g. volcanos) permanently inactive; 'an extinct volcano' .
(adj.) being out or having grown cold; 'threw his extinct cigarette into the stream'; 'the fire is out' .
(adj.) no longer in existence; lost or especially having died out leaving no living representatives; 'an extinct species of fish'; 'an extinct royal family'; 'extinct laws and customs' .
手打:马吉
整理:威尔伯