What does 上个星期 (shàng gè xīng qī) mean in English?

Card 3IC2 Level 73/44
CARD3
PROGRESS7%
上个星期
上個星期
shàng gè xīng qī
last week

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