潜水夫病很严重，甚至可以致死，但是这种病很少见。

The bends can be serious, and they can even cause death. But the bends are rare.

youdao

潜水夫病很严重，甚至可以致死，但是这种病很少见。

The bends can be serious, and they can even cause death. But the bends are rare.

youdao