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
Give me a cup of coffee, please.
请给我一杯咖啡。
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。