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- If it were not for oxygen and nitrogen in the air, no man could live on the earth. 大气中如果没有氧和氮,人就无法生存于地球了。
- Hi, I work as a Geologist in the Coal Industry. 大家好,我在一家煤炭工业做地质学家。
- The coals were glowing in the dark. 煤在黑暗中发着红光。
- There was a terrible blast in the coal mines. 矿坑中发生了可怕的爆炸声。
- The article describes some effective factors and countermeasures of accurate degree in the half minim steam way measuring the nitrogen in the coal, according to the standard of GB/T19227-2003 and the practical operating experience of the author. 摘要按GB/T19227-2003标准并结合笔者的实际操作经验,浅析操作中影响半微量蒸汽法测定煤中氮准确度的若干影响因素及解决对策。
- This may occur in response to a high level of reduced nitrogen in the medium. 这可能是由于对培养基中高水平的还原氮的反应而发生的。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- You didn't embarrass me in the slightest. 你一点也没让我为难。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- I heard his footsteps in the hall. 我听见大厅里有他的脚步声。
- There is plenty of nitrogen in the air but is cannot be absorbed directly by the plants. 空气中有大量的氮,但植物不能直接吸收。
- She is one of the best hurdlers in the world. 她是世界上最优秀的跨栏选手之一。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- There is plenty of nitrogen in the air but it cannot be drunk in directly by the plants. 空气中有大量的氮,但是植物不能直接吸收。
- The children are playing on the swings in the park. 孩子们在公园里荡秋千。
- In other words, replacement of the number 8 carbon by nitrogen in the purine ring does not eliminate activity. 换句话说,嘌呤环上第8位碳被氮所取代并不丧失活性。
- My heart beat thick in the course of the interview. 在面试过程中我的心跳得厉害。