Finally, the Civil Aeronautics Board ( CAB ) has jurisdiction over civil aviation, including routes, rates, and sudsidies.最后, 民用航空局 ( CAB ) 对民航(包括航线, 运费和津贴)有管辖权.Advanced Aeronautics booster color changes for Apollo and C...
He chalked the message on the blackboard...他用粉笔将消息写在黑板上。The boys chalked out goalposts on the sports ground wall.男孩子们在运动场边的墙上用粉笔画上了球门柱.The team chalked up the ten victories against two defeats.该队赢10场输2场.Several important...