1 (wiktionary) 2 (zh.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Compounds Expand your vocabulary by studying more complex words built by the 'core words'.

CORE WORDS

HSK 1.0 (1992)
Big5
Gb
Pin
Eng

D
鐵道

铁道

tie3dao4

railway

鐵  铁 iron / strong, solid, firm
道  道 path, road, street / method, way

HSK 2.0 (2010)
Big5
Gb
Pin
Eng

HSK 3.0 (2022)
Big5
Gb
Pin
Eng