在火車上 — zài huǒ chē shàng

1

zài⁴

at, in, on; to exist; used to indicate the present progressive tense / fire, flame; to burn; anger, rage / (archaic) cart, vehicle; to move in a cart / above, on top, superior; to go up; to attend; previous

2

huǒ³

at, in, on; to exist; used to indicate the present progressive tense / fire, flame; to burn; anger, rage / (archaic) cart, vehicle; to move in a cart / above, on top, superior; to go up; to attend; previous

3

chē¹

at, in, on; to exist; used to indicate the present progressive tense / fire, flame; to burn; anger, rage / (archaic) cart, vehicle; to move in a cart / above, on top, superior; to go up; to attend; previous

4

shàng⁴

at, in, on; to exist; used to indicate the present progressive tense / fire, flame; to burn; anger, rage / (archaic) cart, vehicle; to move in a cart / above, on top, superior; to go up; to attend; previous

As word