quantitative 定量的；量的 Quantitative chemical analysis shows that water has two atoms of hydrogen to one of oxygen. 定量化學(xué)分析表明，水有兩個氫原子和一個氧原子。 radiant 容光煥發(fā)的 She was radiant with joy at her wedding. 她在自己的婚禮上容光煥發(fā)。 random 隨機(jī)的；任意的 The experiment cannot be satisfactory because he has to use the random selection of specimens. 這個實驗不會圓滿完成的，因為他不得不用那些隨意選來的試樣。 rebound 回彈；回升 The official statistics on productivity growth exclude the usual rebound in a business cycle. 生產(chǎn)率增長的官方統(tǒng)計排除了通常的一個商業(yè)周期的反彈。 recipe 秘訣 What is your recipe for success? 你成功的秘訣是什么？ refreshment 點心 Refreshments can be bought on the train. 火車上可以買到點心。 regime 政權(quán)，政體 The changes made under the present regime are very large in our work. 現(xiàn)行制度下的改變，是我們工作的重心。 resignation 辭職；放棄 His resignation is only a gesture. 他的辭職只是一種姿態(tài)。