石炭

せきたん いしずみ

• coal n

Beginner II ➥

炭鉱

たんこう

• coal mine; coal pit n

Intermediate ➥

炭素

たんそ

• carbon (C) n adj-no

Intermediate II ➥

炭殻

たんがら

• (coal) cinders n

Advanced ➥

練炭自殺

れんたんじさつ

• charcoal-burning suicide n vs

Advanced ➥