飞镖无法自食其力。

The dart cannot feed itself.

youdao

慢慢长大，我们学着自食其力。

As we grow into our childhood, we learn to spoonfeed ourselves.

youdao

在银行有足够的存款意味着我可以自食其力。

Having a big bank account just means that I'm not beholden to others.

youdao

Well, you could think about the cell wall of a bacterium as its skeleton, it's what protects it from mechanical forces that are out in the world.

你可能认为细菌的细胞壁,就像骨骼一样,使其免受,外界机械力的伤害

耶鲁公开课 - 生物医学工程探索课程节选

Newtons acting on 2 kg, gives you an acceleration of 2.

牛的力作用在 2 千克的物体上,那么其加速度大小就是 2

耶鲁公开课 - 基础物理课程节选

I've got to find them by experimenting, by putting other bodies and seeing how they react and then finding out what's the force that acts on a body when it's placed in this or that situation.

我得通过实验找出这些力,我会增加其它物体,观察其反应,求出当它处在这种或者那种情况下时,作用在物体上的力

耶鲁公开课 - 基础物理课程节选