frustulum / ˈfrʌs tə ləm, -tʃə- /

📖毕业后词汇果壳甲壳硬壳

frustulum 的定义

n. 名词 noun

plural frus·tu·la [fruhs-tuh-luh, -chuh-]. /ˈfrʌs tə lə, -tʃə-/. Roman Catholic Church.

  1. a small breakfast permitted on fast days.