price / generation of a family / reign of a royal / decade / era

gasoline (motor fuel)

仮説: hypothesis / 仮設: makeshift; provisional; temporary

化繊: synthetic fiber / 寡占: oligopoly / 河川: rivers / 火箭: fire arrow / 火線: firing line / 歌仙: great poet / 河船: riverboat / 渦線: spiral line / 架線: overhead wire, aerial wiring / 下線: underline

化石: fossil, petrifaction, fossilization

枷: shackles / 桛, 綛: reel; a skein of thread / 加背: cross section of tunnel face / 甲蠃, 石陰子: sea urchin / 痂: scab / 校: school building

悴: skinny, poor, insignificant

to float

(Economics) oligopoly

shackles, bonds