公立: public (institution) / 効率: efficiency / 高率: high rate

構造: structure, construction

耕三, 幸三, 厚三, 幸造, 康三, 耕造, 孝蔵, 浩三: a male given name / 紘三: a male given name

太陽光: sunlight

購入: purchase or buy

後背位: doggy style

口蹄疫: foot-and-mouth disease (FMD)

難航: rough time, rough passage / 軟鋼: (metallurgy) mild steel / 軟膏: ointment / 南航: (nautical) southbound / 南郊: southern suburbs / 南行: southbound

難航: have a hard flight, have a rough passage; run into difficulties, have a rough time

高額: large amount of money / 工学: engineering / 光学: optics / 後学: future reference / 好学: love of learning