AOQLn.平均抽检质量极限aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号a asinine remark愚蠢之言A vampire bat.吸血蝙蝠a chemist's shopa tributary king属国的国王a trial marriage婚前的同居a stark contrast显著的对照a receptor organ接收器官a cloud of grief一片愁云,一阵忧伤a friend in need患难朋友a Georgian house乔治王朝时代的房子

1. I've got a pile of sewing to do.
   我有很多东西要缝。
2. There's a pile of newspapers in the corner have you looked underneath?
   角落里有一堆报纸--那底下你找过了吗?
3. I cannot cope with such a pile of work.
   我无法处理这么多工作。
4. Your letter got buried under a pile of papers.
   你的信压在一堆文件下面了。
5. The car was now just a pile of twisted metal.
   那辆汽车已经成了一堆压缩的废铁了。
6. They found the body buried beneath a pile of leaves.
   他们在一堆树叶下面发现了那具尸体。
7. There is a pile of potato in the garden.
   园中有一堆马铃薯。