n.核心；仁；中心；精髓
We must get at the kernel of the problem. 我们必须抓住问题的核心。
Are kernels of apricots edible? 杏仁能吃吗？
Mathematical thought and method is the kernel of mathematical knowledge. 数学思想方法是数学知识的精髓。
n.核；仁；子；粒
名词kernel的复数形式.
