Swirlmeter
旋涡计
🗣️ 情景例句
Dr. Lee's office.
李医生诊所。
Prosperity gains (or makes) friends, and adversity tries them.
顺境交朋友，逆境试真情。
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。