pile up

短语
大学

堆积, 积累, 搁浅, 撞毁

发音

AU

词形变化

piled up piles up 三单 piles up piling up piling up 现在分词 piled up 过去式 piled up 过去分词

别名

pill up

释义与例句

v.
  1. 1.

    To form a pile, stack, or heap.

    及物

    The kids piled up their boots and coats by the back door.

  2. 2.

    To collect or accumulate, as a backlog.

    习语 不及物

    The requests piled up while she was away.

  3. 3.

    To sustain a motor vehicle accident; to crash.

    不及物

词汇关系