to forget something accidentally
случайно что-то забыть (sluchayno shto-to zabyit)
"Sorry, it completely slipped my mind to call you."
"Извини, я совсем забыл тебе позвонить." (izvini ya savsem zabyl tebe pozvonit)
to be the most powerful person in a group or family
the ability to extend services or products worldwide
to emit a smell, light, or feeling
the beginning of a new idea or thought
a significant or sudden development or discovery; an importa...
to express gratitude or recognition