Correct

一轨

/ yī guǐ / 
Strokes

Example

As a Noun

Track One; Track I; Track 1

1
Yī
一
guǐ
轨
bàn
半
wàijiāo
外交

Track 1.5 diplomacy

2
Yī
一
guǐ
轨
bàn
半
duìhuà
对话

Track 1.5 dialogue

3
Yī
一
guǐ
轨
wàijiāo
外交

Track I diplomacy; Track 1 diplomacy