VOA慢速英语:巴西：水资源是一个国际问题

infrastructure – n. the basic equipment and structures (such as roads and bridges) that are needed for an area to operate

per – prep. by the way of

access – n. permission or ability to enter; the right or ability to do something

moisture – adj. a small amount of a liquid (such as water) that makes something wet

floodplain – n. land that may be covered by floodwaters