1. conservation
We need to put more effort into conservation of monuments of the pope.
I was asked to make a few remarks on energy conservation.
Forest conservation is an important issue all over the world.
I'm very interested in nature conservation.
WWF is an organisation which was set up to help the conservation of wildlife.
My cousin, who is passionate about conservation, is giving a speech tomorrow.
We measured the electricity used during air cooling in the same way as heating, and compared the old model air conditioner to the energy conservation (2001) model.
The giant panda is recognised as a national treasure of China, but in some conservation areas it is still killed by poachers.
The organization plays a principal role in wildlife conservation.
During the holidays, some university students go to Africa as volunteers and help to perfect local wildlife conservation.
The third is the preservation of environment. In this case, the conservation of energy and resources is needed.
It is only recently that people have begun to realize the importance of nature conservation.
Inglês palavra "διατήρηση"(conservation) ocorre em conjuntos:
Notes 11/02/2019 (b)2. keep
Keep out!
How long are you going to keep whimpering about that? You can't change the past.
I keep saying that I'm innocent, but no one will listen.
If Spenser doesn't keep adding and translating sentences, the other contributors will surely surpass him.
Life is like riding a bicycle. To keep your balance you must keep moving.
Doctors should keep abreast with all the latest developments in medicine.
If you keep at it you will eventually succeed.
My parents keep arguing about stupid things. It's so annoying!
A family should not spend all of its money to keep someone alive on a machine.
I'm going to keep track of all the expenses on this trip.
Throughout the five years of painful cancer treatments, he managed to keep a stiff upper lip.
Call me every few days, and in that way we can keep in touch if something happens.
Keep a close eye on Tom and make sure he doesn't get into any trouble.
The notice in the park said "Keep off the grass".
Keep a box of baking soda in the fridge to keep it smelling clean.