单词	stack
释义	noun | verb stackstack1 /stæk/ ●●○ S3 noun [countable] Etymology ETYMOLOGYstack1 Origin: 1200-1300 Old Norse stakkr Thesaurus THESAURUSlarge amount/mass► pile a)a large mass of things collected together or thrown together:  He swept the leaves into a pile.b)a neat collection of several things of the same kind placed on top of each other:  The folded laundry was separated into three piles. ► heap a large messy pile of things:  A heap of clothes lay on the floor. ► mound a pile of something with a round shape:  He came back from the buffet with a huge mound of food on his plate. ► stack a neat pile of things:  There was a stack of books in the middle of the table. ► drift a large pile of snow, sand, etc. that has been blown by the wind:  The car slid into a ten-foot snow drift by the side of the road. 1 a neat pile of things, one on top of the other SYN pile: stack of a stack of books stacks of unopened boxes► see thesaurus at pile12the stacks [plural] the rows of shelves in the part of a library where most of the books are kept3a stack of something (also stacks of something) informal a large amount:  We get stacks of junk mail every day.4computers a temporary store of information on a computer5a tall chimney6a large pile of grain, grass, etc. that is stored outside [Origin: 1200–1300 Old Norse stakkr] → see also blow your top/stack at blow1 (10), haystack noun | verb stackstack2 ●●○ verb Verb Table VERB TABLE stack Simple Form Present I, you, we, they stack he, she, it stacks Past I, you, he, she, it, we, they stacked Present perfect I, you, we, they have stacked he, she, it has stacked Past perfect I, you, he, she, it, we, they had stacked Future I, you, he, she, it, we, they will stack Future perfect I, you, he, she, it, we, they will have stacked Continuous Form Present I am stacking he, she, it is stacking you, we, they are stacking Past I, he, she, it was stacking you, we, they were stacking Present perfect I, you, we, they have been stacking he, she, it has been stacking Past perfect I, you, he, she, it, we, they had been stacking Future I, you, he, she, it, we, they will be stacking Future perfect I, you, he, she, it, we, they will have been stacking 1[intransitive, transitive] (also stack up) to form a neat pile or make things into a neat pile:  These chairs stack easily. Stack the plates up here.2[transitive usually passive] to put piles of things on a place or in a place: stack with The coffee table was stacked with magazines.3stack the shelves to put goods for sale onto the shelves in a store, especially a food store4stack the deck/cards a)informal to make a situation difficult so that someone cannot succeed: stack against In business, the deck is often stacked against women. b)informal to arrange cards dishonestly in a game5[intransitive, transitive] (also stack up) if aircraft stack or are stacked around an airport, they are made to fly around it until they can land → see also the odds are (stacked) against somebody/something at odds (1)stack up phrasal verb informal1used to talk about how good something is when compared to something else SYN compare: stack up against How does my kids’ school stack up against others?2if a number of things stack up, they gradually collect or get stuck in one place:  My phone messages had started to stack up.
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