名词
中文翻译：硬土
同义词：
['hard clay', 'stiff clay例句：1. The farmer used to till the hard soil with a spade every day.（这位农民过去每天用铲子翻动硬土。）2. The gardener needed to mix the hard soil with water to make it more fertile.（园丁需要把硬土和水混合，使其更肥沃。）']
例句：
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1. The farmer used to till the hard soil with a spade every day.
这位农民过去每天用铲子翻动硬土。
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2. The gardener needed to mix the hard soil with water to make it more fertile.
园丁需要把硬土和水混合，使其更肥沃。
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3.The construction workers had to deal with hard soil and heavy machinery.
建筑工人不得不处理硬土和重型机械。