r
race [reis] n.種族(ethnic group, nation, tribe), 賽跑(chase, competition, contest)
vi.賽跑(hurry, run, rush), 參加競賽(compete with, contest with, have a race with, try to beat)
race engine 賽車用發動機
race track 賽馬場, 跑道
race relations （同一國家中的）種族關系
horse race 賽馬
raise [reiz] vt.提高(hold up, lift, put up, elevate, pick up, boost, increase, promote), 飼養(breed, rear), 撫養(bring up, care for, cultivate, look after, nurture)，籌集(collect, get, make, receive)， 提出(advance, introduce, pose, present, put forward, suggest)
raise a question 提出問題
raise money 籌錢
raise one's hand 舉手
e.g. she raised her finger to her lips as a sign for silence.
random ['rændəm] n. 隨意，任意adj. 任意的，隨便的(accidental, aimless, arbitrary, casual, unplanned)
at random 隨便地，胡亂地
random failure 隨機故障, 偶然故障
e.g. the librarian took a book at random from the shelf.
range [reindʒ]
n.一系列(chain, line, row, series, string)，山脈，行列，范圍(area, extent, field, scope, spectrum, variety)
v. 排列成行(arrange)， 把...分類(classify, sort)， （在一定范圍內）變化(differ, fluctuate, vary)
in the range of... 在...范圍內
range over... 范圍涉及..., 包括...
range with... 使與...并列, 與...平行
range from...to... 范圍在...到...之間
e.g. the children's ages range from 8 to 15.
rate [reit]n.比率，速度(speed, pace)，等級(grade, rank)，費用(charge, cost, fare, fee, price)vt. 評價(appraise, assess, consider, estimate, evaluate, judge, measure, rank, regard, value)
at any rate 無論如何
a tax rate 稅率
at the rate of... 以...速度
e.g. he works at a very fast rate.
reach [ri:tʃ] vt. 到達，達到(achieve, arrive at, attain, get to, make)，
夠得著(grasp, get hold of, take, touch)，和...聯絡 (communicate with, contact, get in touch with)n. 延伸，到 距離(distance, range)，范圍(scope， extent)
reach for... 伸出手去拿...
reach out(=extend/hold out/stick out/stretch) 伸出...
out of reach 在...的范圍之外
out of the reach of... 無法拿到/聯系到...
e.g. the garden reaches down to the lake.
read[rid] v.(read, read, reading) 讀,閱讀(dip into, scan, skim)，理解(decode, make out, understand)，學習(study, learn)， 寫明, 標明
read between the lines 領悟隱含的意義，看出言外之意
read out 把...讀出
read through [over]... 從頭到尾細讀一遍...
read... aloud 朗讀...
read... as ... 把...錯誤地當作...
read... from cover to cover 一頁不漏地讀完...
e.g. i can read french but i can't speak it.
reading ['ri:diŋ] n. 閱讀，讀物
e.g. reading does good to our mind.
reality [ri'æliti] n. 現實，事實(fact, truth)，逼真
make sth. a reality 實現某事，落實
in reality 事實上，實際上
e.g. we must face reality.
realize ['riəlaiz]
vt.認識到(accept, appreciate, be aware of, catch on to, grasp, know, recognize, see, understand, wake up to), 實現(accomplish, achieve, complete, fulfill, perform)
realize one's mistake 認識過錯
realize one’s dream 實現某人的夢想
e.g. he didn't realize his mistake.
reason ['ri:zn] n. 理由，動機(account, cause, excuse, explanation, grounds, motive)，判斷力(intelligence, judgement, wisdom, wit)
vt. 講道理(argue, debate, discuss)，推論(conclude, consider, infer, judge, think, work out)
with reason 有理由地，合乎情理地
by reason of... 因為
reason for... ...的理由
reason... into... 勸說...接受...
reason with ... 與...評理
e.g. you have no reason to envy 妒忌 me.