名词
中文翻译：植物硬化
同义词：
['hardening', 'hardening process']
例句：
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1.The plant is undergoing a natural hardening process during the winter months.
这个植物在冬季正在经历一个自然的硬化过程。
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2.During the hardening process, the plant's cells are strengthened and its tissues become more compact.
在硬化过程中，植物的细胞被强化，组织变得更加紧密。
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3. The farmer carefully monitored the plant's hardening process to ensure it was progressing as expected.
农民仔细监控了植物的硬化过程，以确保它按照预期进展。