The train was moving now at a snail's pace.

火车现在正缓慢行驶。

《柯林斯英汉双解大词典》

Now their cars were moving at a snail's pace through the forest.

此刻，他们的车子正在树林中象蜗牛般缓慢地爬行。 。

youdao

The crowds are so dense that vehicles crawl at a snail's pace amid the tight human mass.

CNN: Arafat: The climax of Hajj

The inertia of banking and insurance customers is legendary, allowing banks and insurers to adopt new technology at a snail's pace.

ECONOMIST: Death by 1,000 clicks

It is no more than "hopeware" -- since the 1950s, Artificial Intelligence has moved at a snail's pace compared to what proponents have predicted.

CNN: Ban the killer robots before it's too late