Iaaf
国际业余田径联合会
🗣️ 情景例句
I can communicate with foreigners easily.
我能轻松地和外国人沟通。
There is a time to speak and a time to be silent.
该说话时说话，该沈默时沈默。
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。