She was making the first motions of nesting.

她正在做造窝的第一个动作。

At this time he made the first motion pictures ever taken of wild gorillas in their natural surroundings.

这次，他第一次在野外为野生大猩猩拍摄了电影。

Hester's first motion had been to cover her bosom with her clasped hands.

海丝特的第一个动作是用紧握的双手捂住胸膛。

First, motion must be created by pushing off the ground, so, a quad-copter doesn't count because it pushes off the air.

首先，运动必须通过推离地面来产生，因此，四轴飞行器不算数， 因为它推离空气。