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- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The valley was covered with a blanket of snow. 山谷白雪如毯。
- The ground was covered by a thick blanket of snow. 地面上覆盖着厚厚的一层雪。
- The hill was covered with a blanket of snow. 上山覆盖着白雪。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- The town was covered in a thick blanket of fog. 大雾笼罩了这个城镇。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- The trial was conducted under a blanket of secrecy. 审讯在高度保密下进行。
- The earth lay beneath a blanket of snow. 大地被厚厚的白雪覆盖。
- The crux of the matter was a lack of nitrogen. 问题的关键在于缺少氮。
- The valley was covered with a blanket of heavy mist. 山谷笼罩在一片浓雾中。
- Among the blue-green algae are many species of nitrogen fixation. 许多种蓝藻有固氮的能力。
- Urea is commonly used as the source of nitrogen in foliage sprays. 尿素作为氮素给源普遍地应用于叶面喷布。
- blanket of nitrogen 氮气层
- Has an atmosphere, which is mainly made up of nitrogen. 它拥有主要由氮组成的大气。
- The amount of nitrogen needed will increase as yield increases. 随着产量增加,需氮量也要增加。
- The discharge amount of nitrogen oxide can reduce 30%. 氮的氧化物排放量减少30%25。
- The Effect of Nitrogen on Beauveria bassiana (Bals.) Vuill. 氮素对球孢白僵菌的影响
- Covering much of the earth's surface is a blanket of water. 覆盖大部分地球表面的是水。