stilly
/ˈstɪli/still, quiet, or calm 安宁的; 平静的
adjective [原级]平静的；不动的
But he himself got to sleep in the footsteps, stilly.
他自己则在“唰唰唰”的脚步中睡着了，一动不动。
adverb [方式副词]静静地；默默地
With certain conditions, the mass of component can be stilly substituted by several concentrated mass.
其基本思路是，构件的质量在满足一定的条件下，可由几个集中质量静替代。
单词造句: