共同: common, joint, jointly, together, collaborative...
曾经: once, already, former, previously, ever, (past tense marker used before verb or clause)...
年限: age limit, fixed number of years...
夜: night...
阵容: troop arrangement, battle formation, lineup (of a sports team etc)...
空地: vacant land, open space...
不安: unpeaceful, unstable, uneasy, disturbed, restless, worried...
总是: always...
电网: electrical network...
成员: member...
