1.register n.登記簿(a written record containing regular entries of items or details)；v.登記(to enroll one's name in a register)

例：Patients often register dissatisfaction with physicians who prescribe nothing for their ailments.

派生詞:registration(n．登記；注冊)

2.regressive a．（稅率）遞減的(decreasing in rate as the base increases)

詞根記憶：re(后)+gress(走)+ive——向后走——退步的——遞減的

注意：progressive(a．先進的)

例：Sales taxes tend to be regressive, affecting poor people more severely than wealthy people.

3.reign n.統治（時期）(sovereignty)

詞根記憶：來自rein(v.統治)的變體

注意：regime(n．政權)

例：The most ancient Egyptian temples were constructed in the reign of Ramses ll．

4.reimburse v.償還(to repay)

詞根記憶：re(重新)+im（進入）+burse(錢包)——重新進入錢包——償還

例：The insurance coverage(保險責任范圍)does not reimburse subscribers for medical expenses incurred in a public hospital.

派生詞：reimbursement(n．償還)

If you want to understand today, you have to search yesterday.

想要懂得今天，就必須研究昨天。

(Pearl Buck, American female writer)

——美國女作家賽珍珠