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.
To form a pile, stack, or heap.
及物The kids piled up their boots and coats by the back door.
-
2.
To collect or accumulate, as a backlog.
习语 不及物The requests piled up while she was away.
-
3.
To sustain a motor vehicle accident; to crash.
不及物