Orbital electron
[医] 轨道电子
🧩 词语组成解析
orbital
['ɔ:bitl]
adj. 轨道的;眼窝的;
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
because, Danny,
因为Danny，
How old?
多老？
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。