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- [frm] 他正从事研究 he is engaged in research
- 亚历山大·弗莱明爵士偶然发现了盘尼西林的抗生素特性，当时他正从事于一项性质完全不同的研究。 Sir Alexander Fleming alighted on the antibiotic properties of penicillin while he was engaged on research of a quite different nature.
- 正在 in the process of (doing something or happening)
- 亚历山大 弗莱明爵士偶然发现了盘尼西林的抗生素特性，当时他正从事于一项性质完全不同的研究。 Sir Alexander Fleming alighted on the antibiotic properties of penicillin while he was engaged on research of a quite different nature.
- 正 Chinese 1st month of year
- 大学毕业后，玛丽想在法学院从事研究工作。 After college, Mary hopes to do postgraduate work in law school.
- 他正从事于组建一个新的俱乐部。 He is engaged in the organization of a new club.
- 从事研究工作的化学家 a research chemist
- 正本 original
- 正如 be just like
- 他以崭新的决心从事研究工作。 He assailed his studies with new determination.
- 他决定继续从事研究和写作。 He decided to continue with his research and his writing.
- 她正从事一项新发明。 She is working at a new invention.
- 她在专心致志地从事研究工作。 She is bending her mind to the research work
- 他正试图减少开支。 He is trying to reduce expenses.
- 公司花了许多钱来从事研究工作。 The company spent lots of money in doing the research work.
- 他正从事於组建一个新的俱乐部。 He is engaged in the organization of a new club.
- 牙科医生把他正研究的牙齿隔开了。 The dentist sequesters the tooth he is working on.
- 作为一个14的孩子，爱因斯坦就想长大后成为一名物理学家并从事研究。 as a boy of fourteen, Einstein wanted to be a physicist when he grew up and devoted himself to research
- 警察袖子上的袖标标明他正在执勤。 The striped band round a policeman's sleeve is to signify that he is on duty.
