Detective Hannah Laing, who joins forces with maverick detective Billy Murdoch in a desperate bid to protect her son Christian.而且速度也很快，比他(tā )在(zài )地上的急(jí )速奔跑还要快，大概(gài )能够达到每小时90公(🌠)里(lǐ )，这足足有地上疾跑速度的1.5倍了。