Large - caliber weapons, such as cannon, howitzers, and missile launchers are operated by crews.大口径武器, 如火炮, 榴弹炮, 及导弹发射器,由炮手组操作.bullets of the same caliber直径相同的子弹The gonadal arteries are generally of relatively small cali...
依我看成都最优秀的学生绝不逊色.I would say the best students at Chengdu are no laggards.汽车径直朝成都驶去.The car headed directly toward Chengdu.你在成都要待多久?How long will you stay in Chengdu?...