Correct

一级

/ yī jí /

Strokes

Definition

first class/category A

Example

As an Adjective

first class/grade; first degree; class A

1

Yījí

一级

yùndòngyuán

运动员

first grade sportsman

As an Adjective

one-level; one-stage; one-order

2

Yījí

一级

dǎodàn

导弹

/

huǒjiàn

火箭

one-stage missile/rocket