in size ,they are from the size of a person;s hand to bigger than a bus 翻译,如何理解这句话

问题描述:

in size ,they are from the size of a person;s hand to bigger than a bus 翻译,如何理解这句话

就体积来说,他们的体积有小至人类的手掌,大至一辆巴士.
有任何疑问也欢迎提问,