一成不变: nothing much changes (idiom); always the same, stuck in a rut...
多年: many years, for many years, longstanding...
膜: membrane, film...
地球: the earth...
征: to invite, to recruit, to levy (taxes), to draft (troops), phenomenon, symptom, characteristic sign (used as proof), evidence...
集资: to raise money, to accumulate funds...
朝着: facing, advancing (towards)...
走廊: corridor, aisle, hallway, passageway, veranda...
之中: inside, among, in the midst of (doing sth), during...
原型: model, prototype, archetype...
