汽車が脱線した。

汽車が脱線した。

The train was derailed.

汽車(きしゃ)が脱線(だっせん)した。

Kisha ga dassenshita.

汽車 (きしゃ)

train (sometimes specifically a steam train)

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

脱線 (だっせん)

derailment; digression; deviation

Reading: キ

Meanings: vapor, steam

Readings: シャ、くるま

Meaning: car

Readings: ダツ、ぬ.ぐ、ぬ.げる

Meanings: undress, removing, escape from, get rid of, be left out, take off

Readings: セン、すじ

Meanings: line, track