竖直地伸张伸缩式天线.Extend the telescopic antenna vertically.那猫向后一跳, 躬起背来,毛直立着, 硬直地伸出尾巴. 伟尔了解猫的行为方式.Then she leapt backwards, back arched and fur on end, tail out stiffly. Will knew cat - behavior.垂直起飞的飞机是一种能竖直地离地升空的飞机.A vertical...