1.organn.器官,风琴2.excess n.过分,过量,过剩3.expelv.驱逐,开除,赶出4.expendv.消费5.expenditure n.支出,消费;经费6.expense n.开销,费用7.expensive a.价格高贵的8.expand v.扩大,扩张;展开,9.expansion n.扩大;发展,膨胀10.private a.私人的,个人的
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