extinct

adj.

灭绝的；绝种的；消逝的；破灭的

become extinct灭绝；绝种

1. This is an extinct species of fish.
   这是一种已经灭绝的鱼。
2. This species will be extinct in a few decades.
   几十年后这个物种将会灭绝。
3. An extinct volcano can no longer erupt.
   一个灭绝的火山已不能再爆发。
4. My hope of getting some employment was extinct.
   我要找到工作的希望落空了。

Extinct I 129 in C3 chondrites
Ancient human genome sequence of an extinct Palaeo-Eskimo
Are University Natural Science Collections Going Extinct?
Identification of the Extinct Hawaiian Eagle (Haliaeetus) by mtDNA Sequence Analysis
Molecular genetic relationships of the extinct dusky seaside sparrow
Use of stable isotopes to determine diets of living and extinct bears.
Complete mitochondrial genome sequences of two extinct moas clarify ratite evolution
Structure of the Uncleaved Human H1 Hemagglutinin from the Extinct 1918 Influenza Virus
The Role of Phylogenetic Analysis in the Inference of Unpreserved Attributes of Extinct Taxa
PanTHERIA: a species‐level database of life history, ecology, and geography of extant and recently extinct mammals