How tenuous matter really is, is perhaps best illustrated by the fact that a single violin string, tuned to the proper pitch, could start a vibration that would shake down the Brooklyn Bridge!

• （物质到底能有多纤细，就拿小提琴的单根琴弦来举个例子吧，只要将琴调到合适的品位，那音调会引起一种足以震跨布鲁克林大桥的震动！