replace vt.取代，替换
I will replace the cup I broke in the restaurant.我得把我在餐厅打破的杯子换掉。
reply n.答复 vi.答复；回击
We advertised the job but received very few replies.我们登广招聘广告，但收到的回复非常少。
The enemy replied to the attack with heavy gunfire.敌人用猛烈的炮火进行还击。
represent vt.代表；描绘，表现
The 50 stars on the flag of the United States represet the 50 states.美国国旗上的50颗星星代表50个州。
representative n.代表 adj.典型的，有代表性的
The tiger is a representative of the cat family.老虎是猫科动物的代表。
Are your opinions representative of all the workers here?你能代表这里所有工人的意见吗？
request n./vt.请求，要求
She requested a loan from the bank.她向银行申请了贷款。
require vt.需要，要求
The university requires that all students live on campus.大学要求所有学生住校。
rescue n./vt.援救，救援
The firefighter rescued six people from the burning building.消防员从那栋失火的建筑中救出了六个人。
resemble vt.像，类似
Kathy resembles her mother more than her sister does.凯茜比她姐姐更像她妈妈。
reserve vt.储备；保留,预定
These seats are reserved for the elderly and women with babies.这些座位是留给老年人和带小孩的妇女的。
reservoir n.水库，蓄水池
The big storms in August refilled the reservoirs.八月份的暴风雨再次把水库蓄满了。