英语吧 关注:1,547,129贴子:11,409,827
  • 0回复贴,共1

occur不能用被动语态,可是书上却有这么一句,请教大家何解?

取消只看楼主收藏回复

The origin of life was occurred by a polymer 'protein'.这不就是被动式么?


IP属地:吉林1楼2019-08-09 16:07回复