地层 (dì céng) — geological stratum, layer
뜻
noun
geological stratumlayer
예문
- 地层。Kē xué jiā yán jiū bù tóng de dì céng.Scientists study different strata.
- 地层。Zhè ge dì céng lǐ yǒu hěn duō huà shí.This stratum contains many fossils.
- 地层。Gōng rén wā dào le yí gè hěn shēn de dì céng.Workers dug to a very deep stratum.
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