subsoil
发音
英 [ˈsʌbsɔɪl]
美 [ˈsʌbˌsɔɪl]
-
- n.
- （土壤的）底土，心土
单词词源
subsoil 底土，心土
sub-,在下，soil,土壤，土地。
双语例句
- 1. In places the acid subsoil shows through , sandy and bone-pale .
- 有的地方隐约可见沙质的、白如枯骨的酸性底土。
- 2. These herbs send their roots right down into the subsoil .
- 这些草本植物的根深植于底土之中。
- 3. The plant must get all the nutrients it needs that naturally occur in the subsoil .
- 植物必须从底土中吸取其自然产生的养分。
- 4. Treaty on the prohibition of the emplacement of nuclear weapons and other weapons of mass destruction on the seabed and the ocean floor and in the subsoil thereof ( 7 december 1970 )
- 禁止在海床洋底及其底土放置核武器和其他大规模毁灭性武器条约(1970年12月7日)
- 5. The shock wave spreads and sends back an echo , which varies with the density and depth of the layers of subsoil ; with this information , the composition of the subsoil can be determined .
- 冲击波传播并且退还一个回声，随底土层数的密度和深度变化;与此信息，底土的构成可以是坚定的。