Celestial hierarchy
[宗教]天阶体系, 天使等级（在上帝以下共分9级）
🧩 词语组成解析
celestial
[sə'lɛstʃəl]
adj. 天的，天空的;
n. 天人，神仙;（指封建时代的）中国人，天朝之人;
cel 天空 + est最 + ial 属于...的 → adj.天上的 n.天人
🗣️ 情景例句
We once found a cat.
我们有一次找到一只猫，
I usually feel timid in the presence of very bright people.
站在聪明人面前，我感到羞怯。
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。