日期:
来源:雅诚德英语网
He must become a skilled radio operator and be able to repair his own equipment.
他必须成为一名熟练的无线电操作员,能够修理自己的设备。
He must become a skilled radio operator and be able to repair his own equipment.
他必须成为一名熟练的无线电操作员,能够修理自己的设备。