🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
paleolithic
[ˌpæliəu'liθik]
adj. 旧石器时代的;
🗣️ 情景例句
The pleasure is all mine.
这是我的荣幸。
If you want a paper cup, look inside the drawer.
如果你要纸杯，就在抽屉里面。
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。