"At a temperature of fifteen degrees, mercury is fluid."

Translation: Při teplotě patnáct stupňů je rtuť tekutá.

[LadyKokoska]

cmon rtuť je tekutá při teplotě patnáct stupňů is fine

[endless_sleeper]

I've added it now. Please use 'report a problem -> my answer should be accepted' preferably. Thanks :)

And it's patnáCt not patnást ;)

[LadyKokoska]

you should probably run through almost all of the sentences, word order in Czech is super fluid