a母亲工作及年收入证明 Mother work and yearly income proof[translate] a然后在高温下发生缩合关环的化合物 Then has the condensation Guan Huan compound under the high temperature[translate] a体育比赛中,裁判是赛场上的执法官,具有最终裁决的权利 In the athletic contest, the referee is in the athletic ...