威廉一度转过身来,在确保凯特已经抓紧之后,他一脚踩下油门,摩托窜了出去,四处雪花飞溅。
Snowmobiles can go as fast as 80mph, although the couple are thought to have travelled a little more leisurely than that.
雪地摩托的最大时速可达80公里每小时,两人本打算经历一次休闲安逸的旅行,而不是刺激的冒险。