Already - уже: I have already finished my letter to my farther.
Just: She has just left.
Yet - еще, уже (we use it only in questions and negative sentences): I haven’t seen her today yet. Or: Have you read this book yet ?
Recently - недавно: Recently he has received a letter from his Australian relatives.
Lately - в последнее время: The city has changed a lot lately. Before - до, раньше: I haven’t heard about him before. For ages - целую вечность: I haven’t’ seen you for ages.
Since - с тех пор: I haven’t met him since school.
For three weeks, for a month, for a year - в течение трех недель, месяца, года: I haven’t seen him for three months. Never - никогда: I have never read this book.
Ever - когда-либо (questions): Have ever eaten ice-cream?
All my life - всю свою жизнь: All my life I hated this man.
We use ever and never when we talk about a person’s experience.
We use Present Perfect when we talk about living people. If a person doesn’t exist anymore we use Past Simple: Mozart wrote beautiful music.
We use Present Perfect when talk about repeated actions: I have visited Japan five times.
In the stories and descriptions we use Present Perfect only at the beginning.
Vocabulary demineralized water деминерализованная вода
ionite filter ионитовый фильтр
to pass through пропускать через
anionite анионит
cationite катионит
a medium (pl. media) среда
acid medium кислая среда
to link связывать
to be inferior to уступать
by quality по качеству
a setup установка
ion exchange resins ионообменные смолы
quartz кварц, кварцевый
to place помещать
to sample брать пробу
a sample – образец
tap water водопроводная вода
three-way tap трехходовой кран
using при помощи
to titrate титровать
in order to чтобы
