Regu
abbr. regular 有规则的; regularly 有规则地; regulable 可调整的; regulation 控制
🗣️ 情景例句
A journey of a thousand miles begins with a single step.
千里之行，始于足下。
At ease.
休息。
I examined one of the pens closely.
我仔细察看了一枝钢笔，