我们不得不沿着陡峭的岩石坡快速攀爬才能到达山顶。

We had to ___scramble ___up the steep, rocky slope to reach the summit.

当他们听到下面传来奇怪的声音时，迅速从旧树屋里爬了下来。

When they heard the strange noise below, they quickly ___scramble ___down from the old treehouse.

他在失事车辆起火前，设法从里面爬了出来。

He managed to ___scramble ___out of the crashed vehicle just before it caught fire.