kernel

英 /ˈkɜːnəl/ 　美 /ˈkɝːnəl/

n. 果仁；谷粒The edible inner part of a nut, or a grain seed.
n. 核心；要点The central or most important part of something.
n. 操作系统内核The central software component that manages a computer's basic operations.

She cracked the walnut and carefully removed the kernel.

她敲开核桃，小心地取出果仁。

Even exaggerated media reports may contain a kernel of truth that deserves further investigation by independent researchers.

即使是夸大的媒体报道，也可能包含值得独立研究者进一步调查的些许事实。

搭配

corn kernel 玉米粒walnut kernel 核桃仁a kernel of truth 些许事实operating system kernel 操作系统内核

kernel指壳内的仁或谷粒，不是桃子等的硬核。