释义 |
ˈunderˌstratum [under-1 5 c.] An underlying stratum or layer; a substratum.
1733Tull Horse-Hoeing Husb. xx. 290 These Drags draw them sometimes into larger Heaps, leaving the Under-Stratum bare betwixt them. 1783Encycl. Brit. (ed. 2) X. 8307/1 However great differences there may be among the under strata. 1807Vancouver Agric. Devon (1813) 19 The soil and understrata of Little Torrington. 188619th Cent. Sept. 421 There is a vast and virtuous understratum in society which really loves the right. |