助人为乐不图回报.英文高手帮小弟个忙!
问题描述：
助人为乐不图回报.英文高手帮小弟个忙!
when there is a big storm.I hear rolls of th_ _der
答
when there is a big storm.I hear rolls of th( un )der
助人为乐不图回报.英文高手帮小弟个忙!
when there is a big storm.I hear rolls of th_ _der
when there is a big storm.I hear rolls of th( un )der