What does 汇率 (huì lǜ) mean in English?

Card 439HSK 2010 Level 5439/1311
CARD439
PROGRESS33%
汇率
彙匯
huì lǜ
exchange rate
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d