extinct

US /ɪkˈstɪŋkt/
UK /ɪkˈstɪŋkt/
"extinct" picture
1.

灭绝的

no longer in existence

:
Dinosaurs have been extinct for millions of years.
恐龙已经灭绝数百万年了。
The dodo bird is an extinct species.
渡渡鸟是一种灭绝的物种。
2.

死火山, 不活跃的

a volcano that is no longer active and is unlikely to erupt again

:
Mount Kilimanjaro is an extinct volcano.
乞力马扎罗山是一座死火山。
Scientists confirmed the volcano is extinct and poses no threat.
科学家证实这座火山已经熄灭,不构成威胁。