tortoise

详细解释:n. 龟, 行动迟缓的人

英语解释：

名词 tortoise:

usually herbivorous land turtles having clawed elephant-like limbs; worldwide in arid area except Australia and Antarctica

例句：

The tortoise crept along at an agonizingly slow speed.乌龟以极其缓慢的速度爬行着。