未開発: being undeveloped

大統領: president of a country

(historical) Western ship that came to Japan

staff, stick, walking stick, cane, stave, strove, rod, wand / something one leans on, a support / a cane used for corporal punishment

a jo: a fighting staff, a little over 4 尺 (shaku, “a traditional unit of measure, about 30 cm or a foot”) long, shorter than a 棒 (bō, “quarterstaff”)

insulator

(pathology) glossitis

to end contact / (engineering) to insulate / (engineering) to isolate

ending contact / (engineering) insulation / (engineering) isolation

horse whip / flog