I need all your receopts so that I can verify the bill for the work.我需要你的所有收据，这样我就可以核对公费账单了。

On receipt of the news he went home.—收到这个消息，他就回家了。

reception n.①接待；招待会；欢迎会②接收

Our school gave a reception for our new principal.我们学校为新任校长举办了一场欢迎会。

The reception was poor because we were so far from the transmitter.信号收不良，因为我们离发射机太远了。

recommend vt.①推荐；②劝告

The waiter recommended that we eat the lobster。服务员建议我们吃龙虾。

The doctor recommended that the patient stay in bed.医生建议患者卧床休息。

refer v.①提交②查阅，参考(to)

Let’s refer the dispute to the manager.我们把争议提交给经理吧。

A person refers to a dictionary to find the meaning of words.人们通过查词典来获知单词的意思。

refined adj.①优雅的②精制的

A photographer encouraged her to become a model because of her slim figure and refined features.—位摄影师鼓励她成为一名模特，因为她身 材苗条，气质优雅。

To obtain pure lead^ the lead ore is mined then smelted,and finally.为了获得纯铅，需要对铅矿进行开采，接着是冶炼，并在最后进行精炼。

reflection n.反映

Your tone of voice is a reflection of your attitude.你的语调反映了你的态度。

refresh v.(使）精神振作，（使）精力恢复；更新

His bath refreshed him.他洗完澡后精神焕发。

regarding prep.关于

The company is being questioned regarding its employment policy.公司因其雇佣政策而受到质疑。

register n./v.登记

Citizens must register before they can vote.公民在投票之前必须进行登记。

regulate vt.①管制，控制②调节；校准

The government regulates the coining of money.铸币由政府管控。

My watch is losing time; I have to have it regulated.我的表走得慢了；我得校准一下。