the inner and usually edible part of a seed or grain or nut or fruit stone;
\\\"black walnut kernels are difficult to get out of the shell\\\"
a single whole grain of a cereal;
\\\"a kernel of corn\\\"
the choicest or most essential or most vital part of some idea or experience;
\\\"the gist of the prosecutor\\\'s argument\\\"
\\\"the heart and soul of the Republican Party\\\"
\\\"the nub of the story\\\"
造句
用作名詞(n.)
We must get at the kernel of the problem. 我們必須抓住問題的核心。
Are kernels of apricots edible? 杏仁能吃嗎？
The monitoring center is the kernel part of a home-oriented telemonitoring system.Its performance has influence on the tele-monitoring system definitively. 本文開發的中心監護站軟件是遠程家庭多生理參數監護系統的重要組成部分，其性能直接關系到遠程監護系統的總體性能。
Mathematical thought and method is the kernel of mathematical knowledge. 數學思想方法是數學知識的精髓。