Thighmaster
n. 腿媚施（普通健身器材品牌）
🗣️ 情景例句
Keep out of what doesn't concern you.
不关你的事不要插手。
I told him last Tuesday.
我上个星期二告诉他。
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。