“topsoil”的概念、定义、翻译、参考文献-科学参考

单词	topsoil
释义	topsoil [`täp´sȯil] ^GEOLOGY 1. Soil presumed to be fertile and used to cover areas of special planting. 2. Surface soil, usually corresponding with the A horizon, as distinguished from subsoil.
随便看	blank nitriding blank tape blank tape halting problem Blasius theorem blast blast area blast burner blast cell blast chamber blast cleaning blast deflector blast ditching blast effect blastema blaster blast freezer blast furnace blast-furnace coke blast-furnace gas blast gate blast heater blasthole blasthole drilling blastic deformation blasticidin-S

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