[求助]急！问descend得用法

amandaqin

the elephant is descended from an aquatic animal and that its trunk originally evolved

不是descend from吗？怎么用被动？

遥远的绿洲

好像主动被动均可

请参考该链接

http://dict.yqie.com/english/d/descend.htm

就醉一生

descend from

a descendant of

AHOLA

be descended from意味是。。。的后裔
has descended from是起源于。。。