自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT （上窄下宽的）堆 A pile of things is a mass of them that is high in the middle and has sloping sides.
...a pile of sand...
...a little pile of crumbs...
N-COUNT （一个压着一个摆放整齐的）叠，摞 A pile of things is a quantity of things that have been put neatly somewhere so that each thing is on top of the one below.
...a pile of boxes...
We sat in Sam's study, among the piles of books...
VERB 堆放；堆积；叠架 If you pile things somewhere, you put them there so that they form a pile.
He was piling clothes into the suitcase...
A few newspapers and magazines were piled on a table.
VERB 成堆地盖住（或装满） If something is piled with things, it is covered or filled with piles of things.
Tables were piled high with local produce.
...trucks piled with luggage.
QUANT 一大堆；大量 If you talk about a pile of something or piles of something, you mean a large amount of it.
I've got a pile of questions afterwards for you.
...a whole pile of disasters.
VERB 拥进/拥出；挤进/挤出 If a group of people pile into or out of a vehicle, they all get into it or out of it in a disorganized way.
They all piled into Jerrold's car...
A fleet of police cars suddenly arrived. Dozens of officers piled out.
N-COUNT （尤指富人或要人居住的）高大宏伟的建筑物 You can refer to a large impressive building as a pile, especially when it is the home of a rich important person.
...some stately pile in the country.
N-COUNT （房屋和桥梁的）桩，桩柱 Piles are wooden, concrete, or metal posts which are pushed into the ground and on which buildings or bridges are built. Piles are often used in very wet areas so that the buildings do not flood.
...settlements of wooden houses, set on piles along the shore.
N-PLURAL 痔疮 Piles are painful swellings that can appear in the veins inside a person's anus.
N-SING （地毯或织物的）绒面，绒毛，绒头 The pile of a carpet or of a fabric such as velvet is its soft surface. It consists of a lot of little threads standing on end.
...the carpet's thick pile.
PHRASE 处于（社会或某组织的）下层/上层 Someone who is at the bottom of the pile is low down in society or low down in an organization. Someone who is at the top of the pile is high up in society or high up in an organization.