他们突然开始，迅速蔓延，并造成了惨重的损失，世界各地。

They start abruptly, spread fast and cause a lot of damage all over the world.

youdao

他们突然开始，迅速蔓延，并造成了惨重的损失，世界各地。

They start abruptly, spread fast and cause a lot of damage all over the world.

youdao