唯一の証拠は、下着に付着していた精液の痕跡。
The only evidence was the traces of semen stuck to the underwear.

しかし人々は政府に対して５年間の兵役を努めなければならなかった。
But every man had to give five years of service to the government.

その将軍は退役後ひっそり余生を送った。
The general lived the rest of his life peacefully after his retirement.

日本の多くの河川は工場の廃液で汚染されている。
Many rivers in Japan are polluted by waste water from factories.