知識+
ool字尾的英文字母有哪些?
...overcool pool precool preschool reschool retool school sesspool shool snool spool stool subcool supercool superschool toadstool tomfool tool ultracool uncool undercool underwool vanpool whirlpool...
...overcool pool precool preschool reschool retool school sesspool shool snool spool stool subcool supercool superschool toadstool tomfool tool ultracool uncool undercool underwool vanpool whirlpool...