extinct
01
灭绝的, 消失的
(of an animal, plant, etc.) not having any living members, either due to natural causes, environmental changes, or human activity
例子
Scientists work tirelessly to prevent more species from becoming extinct by studying and conserving endangered animals and their habitats.
科学家们通过研究和保护濒危动物及其栖息地，不懈努力以防止更多物种灭绝。
例子
Geologists agree that the volcanic cone beneath Edinburgh Castle is extinct, posing no future threat to the city.
地质学家一致认为，爱丁堡城堡下方的火山锥是死火山，不会对城市构成未来威胁。
03
熄灭的, 衰落的
(of something once burning, active, or vibrant) having lost its heat, glow, or intensity
例子
Their lifelong rivalry grew extinct after they reconciled in middle age.
他们在中年和解后，终生的竞争变得消逝了。
04
灭绝的, 消失的
applied to languages, customs, or technologies that have disappeared or ceased to be used
例子
Polaroid instant film has become extinct in most markets, replaced by digital photography.
宝丽来即时胶片在大多数市场中已经灭绝，被数码摄影所取代。
