Julia says there's a faint smell something nasty in there, but she doesn't think it permeates through the rest of the building.

莉娅说那里有一股难闻气味，但她认为它会渗透到大楼其他。

There is a faint smell of something nasty in there, but I don't think it permeates through the rest of the building, do you?

莉娅：里面有一股难闻气味，但我认为它会渗透到大楼其他， 是吗？

Giles says that he doesn't think the nasty smell permeates through the rest of the building, but there are different nasty smells in other parts of the building.

吉尔斯说他认为难闻气味会渗透到大楼其余部分，但大楼其他部分有同难闻气味。