2, 3, 4, front. Now we're going to run it off. 2 3 4
前踢。现在, 我们来快跑。
and these will ply the short wings with such irresistible power that they can bore for long distances through an opposing gale before exhaustion follows.
这些肌肉以巨大的力量扇动短小的翅膀,使这类鸟能顶着大风飞行很远的路才会疲劳。