凍とう土ど

noun

frozen soil; frozen ground

Refers to soil or ground that is frozen, often in cold climates or permafrost regions. Used in scientific, agricultural, and news contexts.

• シベリアの凍とう土どからマンモスの化か石せきが発はっ見けんされた。

  A mammoth fossil was discovered in the frozen soil of Siberia.

• 凍とう土どのため工こう事じが遅おくれた。

  Construction was delayed due to the frozen ground.