Animals, pets or unexpected rodents, may be the cause of something falling off a shelf.

动物、宠物、甚至是老鼠也有可能使书架上的东西掉下来发出声响。

youdao

Animals, pets or unexpected rodents, may be the cause of something falling off a shelf.

动物、宠物、甚至是老鼠也有可能使书架上的东西掉下来发出声响。

youdao