In perpetual movement toward the sky. 自然界元素
Tracking the movement of the tagged dolphins 追踪受标记河豚的动向
The continuous traffic creates barriers to animal movement. 持续的交通造成了动物运动的障碍
They know that any sustained movement can give them away. 他们知道持续移动会暴露行踪
it can detect the slightest movement... 金毛鼹鼠可以感知微弱的震动
He hunts by listening for the faintest sound of movement. 他通过辨认极其微弱的声音来捕捉猎物
A snake's eyes aren't very good, but they can detect movement. 蛇的视力并不是很好 但它们可以感知到移动物体
and keen eyes have spotted movement. 军舰鸟锐利的眼睛正在搜寻