56
•
Deteriorate:
to become worse (kém
đ
i).
They had to cope with deteriorating weather conditions.
•
The clean-up of something
: the process of removing dirt, pollution, or things that
are considered
bad or immoral from a place
Example: the clean-up of the river.
•
Slum:
an area of a city that is very poor and where the houses are dirty and in bad
condition
Example: city/urban slums
.
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