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汉语拼音：suān xìng

1.化合物在溶液中能放出氢离子，有酸味，能使石蕊试纸变红，这种性质叫做酸性。具有这种性质的物质叫做酸性物质。

1. 化合物在溶液中能放出氢离子，有酸味，能使石蕊试纸变红，这种性质叫做酸性。具有这种性质的物质叫做酸性物质。

• Skin is naturally slightly acidic and has a pH of 5.5.

  皮肤具有天然弱酸性，pH值为5.5。

• Honey is a naturally acidic substance.

  蜂蜜是天然的酸性物质。

• Rye is tolerant of poor, acid soils.

  黑麦耐贫瘠的酸性土壤。

• Lead is more solvent in acidic water.

  铅在酸性水中更易溶解。

• Some acids are strong enough to burn the wood.

  有些酸的酸性强得可以烧坏木头.

• This plant prefers alkaline soil, though it will readily tolerate some acidity.

  这种植物在酸性土壤中也能生存, 但碱性土壤更加适宜.

• Acidity in soil can be neutralized by spreading lime on it.

  土壤的酸性可以通过在它上面撒石灰来中和.

• Strong acids attack metals.

  强酸性物质腐蚀金属.

• Does acidic soil preserve well?

  酸性土壤容易保持 吗 ?

• Rye is tolerant of poor, acid soils.

  黑麦耐贫瘠的酸性的土壤.

• After extensive research, Albert Hoffman first succeeded in synthesizing the acid in 1938.

  经过大量研究，艾伯特·霍夫曼于1938年首次成功合成了该酸性物质。

• Wear cotton gloves when cleaning silver, because the acid in your skin can tarnish the metal.

  清洁银器时要戴上棉手套，因为你皮肤里的酸性物质会使它失去光泽。

• The fluid that emerges from the vents is acidic (pH 3) and hot.

  从那些出口出来的液体呈酸性（pH值为3），且是热的。

• An acid solution is concentrated when it has very much acid in it.

  当酸性溶液里含有很多酸时,它就被浓缩了.

• If your soil is very acid, add lime.

  如果土壤酸性太强，就加些石灰。