extinct的名词
是extinction: n. 灭绝；消失；消灭；废止 The extinction of this rare plant has attracted national attention. 这种稀有植物的灭绝引起了全国的注意。 The mountain gorilla is on the verge of extinction. 居住在山区的大猩猩已濒临灭绝。 They have driven the rhino to the edge of extinction....