| 单词 | superstratum | 
| 释义 | superstratumnoun  su·per·stra·tum  ˈsü-pər-ˌstrā-təm  -ˌstra-; ˌsü-pər-ˈstrā-, -ˈstra-    plural superstrata ˈsü-pər-ˌstrā-tə  -ˌstra-; ˌsü-pər-ˈstrā-, -ˈstra-   : an overlying stratum or layer  The superstratum of timidity which often overlies those who are daring and defiant at heart had been passed through … | 
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