中文翻译与英英解释

【气象学】霜线。

frost:    n. 1.弗罗斯特〔姓氏〕。 2.Robert Lee ...

line:    vt. 交尾。

The frost line?also known as frost depth or freezing depth?is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on nearby heat sources.