pile up
堆集,積累
pile up
v 1: collect or gather; "Journals are accumulating in my office";
"The work keeps piling up" [syn: accumulate, cumulate,
conglomerate, gather, amass]
2: arrange into piles or stacks; "She piled up her books in my
living room" [syn: heap up, stack up]
3: get or gather together; "I am accumulating evidence for the
man's unfaithfulness to his wife"; "She is amassing a lot
of data for her thesis"; "She rolled up a small fortune"
[syn: roll up, collect, accumulate, amass, compile,
hoard]