What does 陆续 (lù xù) mean in English?

Card 637HSK 2010 Level 5637/1311
CARD637
PROGRESS49%
陆续
陸續
lù xù
in turn; successively; one after the other; bit by bit

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