有volunteer to do volunteer doing 吗 ?如果有的话各是什么意思

有volunteer to do volunteer doing 吗 ?如果有的话各是什么意思 volunteer这个单词有volunteer to do,volunteer doing,volunteer do这三 volunteer to do sth和volunteer for sth什么意思 有“volunteer to do”这个词组吗?这里我悬赏100分,请你们谈谈看法.提问者：-_-|||宇 volunteer Do you want to be a volunteer? do harm to sb是什么意思? 有do harm for sb吗?（如果有的话是什么意思?） EXPO 2010 Volunteer是什么意思 Volunteer Beijing volunteer做动词有什么用法? 英语首字母填空!Do you want to be a volunteer?You can volunteer for would like to volunteer 英语选择When asked what they would volunteer to do