







A layer of earth or soil.
Boundary clay layers are used by scientists to determine the rate at which an extinct species declined.
The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.

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Open the tool →土层 (tǔ céng) means “a layer of earth or soil”.
土层 is pronounced tǔ céng in Mandarin Chinese.
“A layer of earth or soil.” is 土层 (tǔ céng) in Chinese.
This page has 2 example sentences using 土层, each with pinyin and an English translation.