at

831 篇文章
And, at any one time,
13 0 0

And, at any one time, 每分每秒

...where the battle for survival is at its most intense.
13 0 0

...where the battle for survival is at its most intense. 那里的生存之战最为激烈

With the males gone, the female is at last reunited with her cub.
13 0 1

With the males gone, the female is at last reunited with her cub. 雄雪豹走后 雌雪豹终于与幼崽重聚

From this moment on, her cub's life is at risk.
13 0 0

From this moment on, her cub's life is at risk. 从此刻起 雌雪豹幼崽的生命陷入了危机

but now, at last, helped by the latest remote-camera technology,
13 0 1

but now, at last, helped by the latest remote-camera technology, 但现在 借助最先进的远程摄像技术

At these altitudes,
13 0 0

At these altitudes, 海拔如此之高

At night, it gets so cold
13 0 1

At night, it gets so cold 这里的夜晚非常寒冷

At over 14,000 feet,
13 0 0

At over 14,000 feet, 这里的海拔超过四千米

At last... a squirrel.
13 0 0

At last... a squirrel. 最终收获一只松鼠

travelling at 80 miles an hour,
13 0 1

travelling at 80 miles an hour, 以一百三十公里的时速席卷而下