Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
rapidly |
quickly |
|
metropolises |
a very large and important city in a country |
|
congestion |
too much traffic jam |
|
slum |
a very poor and crowded area of a city |
|
simultaneously |
at the same time |
|
obligatory |
compulsory |
|
sewage |
the waste matter that passes through sewers |
|
Discretionary |
left to individual choice |
|
committee |
small group of people chosen to represent a larger organization |