O'ed
(o' 的过去时) prep.“of”的缩写(如o'clock等), “on” 的缩写
🗣️ 情景例句
Here are the samples for your examination.
这里是样品，请查看。
If he doesn't, will you eat some?
如果他不，你会吃一些吗？
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。