有些土壤的碱性，实际上对某些植物的生长是过高的。
Some soils are actually too alkaline for certain plant life.
在5月25日着陆的探测器完成了一项分析，分析表明表层土壤(在火星上，被压碎的岩石被称为土壤)略呈碱性，而这些碱性土壤正适合上述的那些植物生长。
An analysis carried out by the probe, which landed on May 25th, suggests the local regolith (the crushed rock that passes for soil on Mars) is slightly alkaline-which such vegetables prefer.
在漫长的进化过程中，海洋动植物已经习惯了海面的弱碱性——PH值大约为8.3，但现在它们不得不去适应所处环境酸度30%的下降。
The plants and animals that have evolved over time to thrive in slightly alkaline surface waters-their pH is around 8.3-are now having to adapt to a 30% increase in the acidity of their surroundings.
应用推荐