🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
[医] 海金砂
🗣️ 情景例句
Don't litter.
请不要乱扔东西。
It's a deal!
一言为定！
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。