| 例句 |
These two gases react to produce carbon dioxide and water.这两种气体发生化学反应，产生二氧化碳和水。Catalysts are materials which greatly speed up chemical reactions.催化剂是可以大大加速化学反应的物质。Silicon reacts chemically like carbon.硅与碳的化学反应相似。We make superphosphate by reacting rock phosphate with sulphuric acid.我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。The chemical reaction solidifies the resin.化学反应使树脂凝固变硬。Heat speeds up chemical reactions.热加快了化学反应。Many chemical reactions require added energy in the form of heat to activate the reaction.很多化学反应需要额外的热能来催化反应。Sunlight activates a chemical reaction in the plant's leaves.在阳光的照射下，植物叶子中会发生一种化学反应。Adding acid to the test tube starts a chemical process which leads to the formation of crystals.把酸加入试管就会产生化学反应，最后形成晶体。They're studying how stress affects body chemistry.他们在研究压力对人体的化学反应的影响。Calcium reacts with water.钙和水会发生化学反应。The chemical reaction begins as soon as the powder is moistened.这种粉末一潮湿就会发生化学反应。The calcium reacts with sulphur in the atmosphere.钙和硫在大气中会发生化学反应。Temperature can affect the rate of a chemical reaction.温度可以影响化学反应的速度。A complicated string of chemical reactions leads to the end product.一连串复杂的化学反应生成了最终的产物。Ozone is formed in the atmosphere when sunlight and hydrocarbons react together.在大气中，阳光与氧气发生化学反应，形成臭氧。A lot of chemical reactions are reversible.很多化学反应都是可逆的。I am studying the reactions between certain gases.我正在研究某些气体之间的化学反应。The chemical reaction gives the material the capacity for phosphorescence.该化学反应能使这种物质发光。The reaction of hydrogen with oxygen makes water.氢气与氧气发生化学反应生成水。How do acids react on metals?酸对金属会起怎样的化学反应？ |