和谐英语

VOA慢速英语:Nobel in Chemistry Goes to Makers of “World’s Smallest Machines”(翻译)

2016-10-06来源:VOA

词汇讲解:

1. retire vi.退休; 撤退; 后退,退却
例句:At the age when most people retire, he is ready to face a new career
在大多数人都退休的年龄,他却准备好面对新的职业。

2. molecular adj.分子的,由分子组成的
例句:Molecular sieve has the advantages of good absorbability, reproducibility and heat stability.
分子筛具有吸附性、再生性,热稳定性好。

3. machine n.机器,机械; 机械般的人
例句:This machine is efficiency than that machine work.
这台机器比那台机器工作效率更高。

4. operate vt.操作; 经营; 运转
例句:At other times the system would operate the opposite way around.
在其它的时候,整个系统的运行正好相反。