updated sense approved 一级/一級 · yījí · first-class
一级 / 一級
yījí
first-class
the highest grade, rank, or level in a classification system; category A
该产品的质量已经达到了国家一级标准。
—→ numeralcreated sense approved 一级/一級 · yījí · first-class
一级 / 一級
yījí
first-class
the highest grade, rank, or level in a classification system; category A
该产品的质量已经达到了国家一级标准。