Card 2420 HSK 2010 Level 6 2420/2512
CARD 2420
PROGRESS 96%
昼夜
晝夜
zhòu yè
day and night; period of 24 hours; continuously, without stop

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