When cave researchers go to explore them, they see and smell, the sulfuric acid and gases at work.(当洞穴研究人员进一步探索时,他们会在这个过程中发现硫酸,并闻到它的味道。)
How can we prevent acid rain?(我们怎么防治酸雨呢?)
The organic litter of another tree species might add less acid but more of something else.(另一种树种的有机凋落物可能不会添加这么多酸,但会添加较多的其他物质。)
Antacids are alkaline and they relieve pain by neutralizing acid in the contents of the stomach.(抗酸剂是碱性的,它们通过中和胃容物中的酸来缓解疼痛。)
Rye is tolerant of poor, acid soils.(黑麦耐贫瘠的酸性土壤。)
What else does sulfuric acid do?(硫酸还能做什么?)
Cars cause pollution, both smog and acid rain.(汽车引起污染,既有烟雾又有酸雨。)
Analysis by gel electrophoresis revealed slight differences in amino acid sequence of the enzymes of two of the four pairs.(经凝胶电泳分析,发现四对实验对象中有两对的酶的氨基酸序列略有差异。)
Agronomists studying the herb have discovered that it produces large amounts of histidine, an amino acid that, in test-tube solutions, renders these metals chemically inert.(研究这种药草的农学家发现,它会产生大量的组氨酸,这种氨基酸在试管溶液中会使这些金属具有化学惰性。)
Sulfuric acid eats away at limestone very aggressively.(硫酸对石灰石的侵蚀非常厉害。)