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- donative electron substituent 供电子取代基因
- Don was appointed chief engineer of the project. 唐被委任为该项工程的总工程师。
- In wintertime he will don a wet suit and go right on surfing. 到冬季，他就穿上橡皮紧身衣去冲浪。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- Despite his looks he's said to be something of a Don Juan. 尽管他其貌不扬，但据说是个很得女人欢心的风流荡子。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- The singer made his debut as Mozart's Don Giovanni. 这位歌唱家初次登台表演莫札特的唐乔凡尼。
- Don Juan seduced many young girls. 唐璜勾引了许多年轻女子。
- He is a don of the Cambridge University. 他是剑桥大学的指导教师。
- The number of electron pairs an atom can share with other atoms. 共用电子对数，共价一个原子与其他原子共用的电子的对数
- An electron with a negative charge, as contrasted with a positron. 电子带有负电荷，与正电荷相反的电子
- Don devised a plan for reaching the seashore. 唐计划了一项伸展海岸的方法。
- Don’t scrawl all over the wall. 不要在墙上乱涂乱画。
- Don’t confound public affairs with private ones. 不要把公事与私事混为一谈。
- If you don’t like it, I’ll trade with you. 如果你不喜欢，我跟你换。
- Don’t out your head while riding in the bus. 坐公共汽车时别把头伸出窗外。
- Don’t touch the report on my desk. 别碰我桌子上的报告。
- He was scandalled to be a Don Juan. 他被说成个风流浪子。
- There was Don, a Jew; but I distrusted him. 有道恩，一个犹太人，但我不信任他。
- I'm a really hooke don these cigarettes. 我真的离不开这些香烟。
