pivoting

he swung round, pivoting on his heel.

他以脚后跟为轴过。

Pivoting 90 degrees, Raab pans westward across the sagebrush-stubbled desert until he spots an identical tube and another building, also four kilometers distant.

过90度，拉布眼光向左移动，越过了点缀著丛丛山艾树沙漠，直到他看见了相同，以及坐落在四公里外另栋建筑物。