Poly(tetrafluoroethylene)
[化] 聚四氟乙烯
🗣️ 情景例句
Hello, I'm honored to make your acquaintance.
你好， 认识你是我的荣幸。
He likes playing the piano.
他喜欢弹钢琴。
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。