instruction:
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
question:
The 2008 UEFA European Football Championship ( or the Euro 2008 ) was the 13th UEFA European Championships .
answer:
The 2008 UEFA European Football Championship , commonly referred to as UEFA Euro 2008 or simply Euro 2008 , was the 13th UEFA European Football Championship , a quadrennial football tournament contested by European nations .

question:
When rainbands near frontal zones get close to steep mountains , a low-level barrier jet stream forms parallel to and just before the mountain ridge .
answer:
When bands of precipitation near frontal zones approach steep topography , a low-level barrier jet stream forms parallel to and just prior to the mountain ridge , which slows down the frontal rainband just prior to the mountain barrier .

question:
The Angiosperm Phylogeny Group ( APG ) is an informal international group of botanists who came together to try try and get a consensus on the taxonomy of flowering plants ( angiosperms ) .
answer:
The Angiosperm Phylogeny Group , or APG , is an informal international group of systematic botanists who collaborate to establish a consensus on the taxonomy of flowering plants ( angiosperms ) that reflects new knowledge about plant relationships discovered through phylogenetic studies .