stratum
英 ['strɑ?t?m; 'stre?t?m]
美['stret?m]
- n. （組織的）層；[地質(zhì)] 地層；社會階層
英英釋意
- 1. one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism)
- 2. an abstract place usually conceived as having depth;
- "a good actor communicates on several levels"
- "a simile has at least two layers of meaning"
- "the mind functions on many strata simultaneously"