The athletes trained at altitude in Mexico City.
田径运动员在海拔高的墨西哥城受训。
Snow leopards live at high altitudes.
雪豹生活在海拔高的地区。
The following day I ran my first race at high altitude.
第二天我第一次在高海拔地区参加了赛跑。
The pilot decided to land, but as we lost altitude the wind became stronger
飞行员决定着陆，但随着我们越飞越低，风变得越来越大。
The aircraft had reached its cruising altitude of about 39,000 feet
飞机已到达约3.9万英尺的巡航高度。