Extinction refers to the state where a species no longer exists. An example sentence: Dinosaurs went extinct around 65 million years ago, leaving no living descendants.

The extinction of the dinosaurs was caused by a massive asteroid impact.恐龍的滅絕是由一顆巨大的小行星撞擊造成的。

A species of bird seemed on the brink of extinction, but conservation efforts have managed to revive its population.

Exinction refers to the state where a species ceases to exist, vanishing from the face of the earth. For instance, the dodo's extinction is a lesson in the consequences of habitat destruction and human intervention.

Extinction is inevitable for species that cannot adapt to changing environments.

1. The extinction of species is a pressing ecological issue that requires urgent attention. 2. The extinction of species poses a serious threat to the delicate balance of our planet's ecosystems.