an extinct species的意思|示意

If we dont put an end to the trend, then the fish in the ocean could become extinct species in the foreseeable future.

如果我们不结束这已趋势，鱼类可能在不远的将来变成灭绝品种。

An extinct species or race of human beings, Homo neanderthalensis, associated with Middle Paleolithic tools.

作为已灭绝物种或人类种族，尼安德特人与旧石器时代中期的工具有关。

This is an extinct species of fish.

这是一种已经灭绝的鱼。

Cryptozoologists are especially proud of the catch in 1938 of a coelacanth, an archaic-looking species of fish that had been thought to have gone extinct in the Cretaceous.

令未知生物学家尤其骄傲的是1938年捕捉到的腔棘鱼，牠是一种样貌古老的鱼类，原先认为在白垩纪便已灭绝。

But sadly, we are now on the verge of becoming an extinct - or at least threatened - species.

但是令人伤心的是，现在我们却站在了绝种，或者是濒临绝种，的边缘。

Boundary clay layers are used by scientists to determine the rate at which an extinct species declined.

边界粘土层被科学家用来确定一个灭绝物种衰落的速度。