topsoil
US /ˈtɑːp.sɔɪl/
UK /ˈtɒp.sɔɪl/
名词
表土, 上层土壤
the upper, outermost layer of soil, usually the top 5–10 inches (13–25 cm), which is rich in organic matter and nutrients, making it the most fertile part of the soil
示例:
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Gardeners often add fresh topsoil to their beds to improve fertility.
园丁们经常在花坛中添加新鲜的表土以提高肥力。
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Erosion can lead to the loss of valuable topsoil.
侵蚀会导致宝贵的表土流失。