烏龜是一種慢動物，它們通常行動緩慢，很少跑得很快。它們有一個堅硬的外殼，可以保護(hù)它們不受傷害。如果用英語描述烏龜，可以這樣說：

The turtle is a slow-moving animal that usually doesn't run very fast. They have a hard shell that protects them from harm.