| 正面 | 12237.stratum 英 ['strɑːtəm; 'streɪtəm]美 ['stretəm]     |
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| 背面 |      释义： carnival：嘉年华就是从这个词音译的——狂欢节。n. （组织的）层；[地质] 地层；社会阶层 例句： 1. It was an enormous task that affected every stratum of society.这是一项影响到社会各阶层的重大工作。 stratum 层，岩层，地层来自拉丁语 stratum,展开物，覆盖，铺盖，道路，中性格于 stratus,展开，展开的，铺开的， 过去分词格于 sternere,展开，铺开，伸展，来自 PIE*ster,展开，伸展，词源同 strew,street.后 用于科学术语指岩层，地层等。 stratum (n.)"horizontal layer," 1590s, from Modern Latin special use of Latin stratum "thing spread out, coverlet, beadspread, horse-blanket; pavement," noun uses of neuter of stratus "prostrate, prone," past participle of sternere "to spread out, lay down, stretch out," from PIE *stre-to- "to stretch, extend," from root *stere- "to spread, extend, stretch out" (see structure (n.))." |