这足以使飞机纵向运动发生不稳定而危及安全。

That is able to make the longitudinal motion of airplane unstable.

youdao

这意味着一种运动和不稳定感。

This meant a sense of movement and a sense of instability .

youdao

足球运动员的生活有其特别之处，而且也相当不稳定。

The life of a footballer is a priviledged one but also quite unstable.

youdao

足球运动员的生活有其特别之处，而且也相当不稳定。

The life of a footballer is a priviledged one but also quite unstable.

youdao