Cesa
abbr. Canadian Engineering Standards Association 加拿大工程标准协会
🗣️ 情景例句
let me know.
告诉我。
I am at leisure now.
我现在有空。
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。