钢轨

Traditional form:

鋼軌

Pinyin (reading):

gāngguǐ

Definitions:

• steel rail

Characters:

• 钢 - steel; hard, strong, tough
• 轨 - track, rut, path

Traditional characters:

• 鋼 - steel; hard, strong, tough
• 軌 - track, rut, path