1.
raising of standard
İngilizce kelime "podniesienie standardu"(raising of standard) kümelerde oluşur:
Work and study 22.
an upgrade
an upgrade is a change to a better seat or level of service
İngilizce kelime "podniesienie standardu"(an upgrade) kümelerde oluşur:
Sylwia N - Vocabulary 129 - everyday English