We call that a massless string.

我们叫它无质量绳。

youdao

Let's call it a massless spring.

我们叫它无质量弹簧。

youdao

The Standard Model said they should be massless.

标准模型说他们应当没有质量。

youdao

It obeys Hooke's Law, and it is also nearly massless.

它遵循胡克定律，几乎是无质量的。

youdao

It obeys Hooke's Law, and it is also nearly massless.

它遵循胡克定律，几乎是无质量的。

youdao