不能用的动物英文怎么说

你可以用 "extinct" 来表示不能用的动物。这个词来源于拉丁文 "extinctus"，意思是 "put out" 或 "extinguish"，后来引申为 "灭绝"。

例句：

The dodo is an extinct species of bird. (多多是一种已灭绝的鸟类。)
Many extinct animals, such as the woolly mammoth and the saber-toothed tiger, roamed the earth during the Pleistocene era. (在更新世时期，许多已灭绝的动物，如毛茸茸的猛犸象和锐牙虎漫游在地球上。)
The extinction of the dinosaurs is thought to have been caused by a meteor impact. (恐龙的灭绝被认为是由一次陨石撞击造成的。)