A pile of
一堆,一垛…
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
Those that make the best use of their time have none to spare.
能充分利用时间的人不会有时间多馀。
In the middle of the classroom.
在教室中间。