名词
中文翻译：Unknown
同义词：
['perennial frost', 'perennial freeze例句：1. The perennial frost has caused significant damage to the crops.（多年生冻害已对农作物造成了严重的损害。）2. The farmers are worried about the perennial frost affecting their harvest.（农民们担心多年生冻害会影响他们的收成。）']
例句：
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1. The perennial frost has caused significant damage to the crops.
多年生冻害已对农作物造成了严重的损害。
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2. The farmers are worried about the perennial frost affecting their harvest.
农民们担心多年生冻害会影响他们的收成。
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3.The perennial frost is a natural phenomenon that occurs in winter.
多年生冻害是一种自然现象，发生在冬季。