he swung round, pivoting on his heel. 他以脚后跟为轴转过身来。
Pivoting 90 degrees, Raab pans westward across the sagebrush-stubbled desert until he spots an identical tube and another building, also four kilometers distant. 转过90度,拉布眼光向左移动,越过了点缀著一丛丛山艾树的沙漠,直到他看见了相同的管道,以及坐落在四公里外的另一栋建筑物。