他们的移动很缓慢。路上，玛莎发现了一辆车子，但发电机是坏的。

Their movement was slow.On the way, Martha found a car, but its motor was broken.

youdao

这个过程比较缓慢，所以我们可能使用之年之后才发现。

It's slow so we usually don't notice it until years later.

youdao

发现和研发新的抗生素是一个漫长又缓慢的过程。

Identifying and developing new antibiotics is a long and slow process.

youdao

发现和研发新的抗生素是一个漫长又缓慢的过程。

Identifying and developing new antibiotics is a long and slow process.

youdao