Что это за слово - sionrevi

Возможно здесь имелось ввиду: revision- исправление, уточнение или редакция

waste     to waste

protection     to protect

destraction     to destroy

pollution     to pollute

damage     to damage

damage     damaging

environment     environmental

harm     harmfull

danger     dangerous

safety     safe

good evening.

hello!

let me introduce my friend alex.

pleased to meet you.

i haven't seen you for ages.

i didn't recognize you!

i'll see you tomorrow then.

goodbye!

how are you?

fine,thanks.

excuse me,is anybody sitting here?

i'm afraid this seat is taken.