An ordinary snail moves at the rate of about two inches every minute.
An ordinary snail moves at the rate of about two inches every minute.
普通的蜗牛以每分钟 两英寸左右的速度移动.
An ordinary snail moves at the rate of about two inches every minute.
普通的蜗牛以每分钟 两英寸左右的速度移动.