英语词汇frost line怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	frost line
释义	frost line noun in sing. N. Amer. the maximum depth of ground below which the soil does not freeze in winter 〈北美〉冰冻线, 冻深线。
随便看	aunt auntie Aunt Sally au pair aura aural aurally Aurangzeb aurar aureate Aurelian Aurelius aureole aureus au revoir auric Auric auricle auricula skimming skimmington skimobile skim over skimp skimpier

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