| 1. | Sulfur is an essential nutrient for plants . 硫是植物的一种重要的营养元素。 |
| 2. | The sulfur dyes are noted for their toxic properties . 硫化染料因其有毒而受到注意。 |
| 3. | The stable low-temperature form of sulfur is rhombic sulfur . 硫的低温稳定态为正交硫。 |
| 4. | Sulfur dioxide and formaldehyde both produce irritation . 二氧化硫和甲醛都可产生刺激。 |
| 5. | Man's effect on the sulfur cycle has been considerable . 人类对硫循环的影响一直是很可观的。 |
| 6. | the unionized sulfur species is in water. 溶于水中非电离形式的硫即。 |
| 7. | Sulfur or sulfuric deliveries can be similarly measured . 硫黄和硫酸的交货量也可用类似方法测定。 |
| 8. | The two of them were thrown alive into the fiery lake of burning sulfur . 他们两个就活活地被扔在烧着硫磺的火湖里。 |
| 9. | Carbon monoxide, chlorine, and sulfur dioxide are examples of these gases . 一氧化碳、氯气、二氧化硫就是这些气体的代表。 |
| 10. | With a decrease in the mole ratio, volatilization of sulfur decreased rapidly . 随着克分子比的降低,硫的挥发率也急剧下降。 |