形容词
中文翻译：碱性的
同义词：
['alkaline', 'alkaline-base']
例句：
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1. The soil is very alkaline, which makes it difficult forplants to grow.
土壤非常碱性，这使得植物难以生长。
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2. The pH level of thesolution is important because it affects the alkalinity.
溶液的pH值很重要，因为它影响碱性。
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3. The alkalineearth metals are found in many mineralsand rocks.
碱土金属存在于许多矿物和岩石中。