If your yard is large enough, you need to use a collection box on the lawnmower, or at least gather the cut grass into a pile.

如果你的院子足够大，你就需要使用割草机上的收集箱，或者至少把割下来的草集中成一堆。

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Frustrated with delays in Sacramento, Bay Area officials said Thursday they planned to take matters into their own hands to regulate the region's growing pile of electronic trash.

湾区官员表示，鉴于萨克拉门托办事拖沓到令人恼火，他们周四计划亲自动手搞定当地日益增长的电子垃圾的问题。

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He swept the leaves up into a pile.

他把树叶扫成一堆。

《牛津词典》

What she remembers goes into her pile, so the pear picker belongs to my sister now.

NPR: Watching a Memory Shift over Time

If the exploding fragments have anything less than the critical escape velocity, they will simply coalesce into a pile of rubble.

FORBES: Move up http://i.forbesimg.com t Move down

Hurricane Katrina had turned Mars into a pile of steel spaghetti, dumped its 100-ton derrick under 3, 000 feet of water and mangled pipelines on the seafloor.

FORBES: Shell Shocked