A king had a new gold crown.
从前有个国王，做了顶新金皇冠。
He was afraid the crown was fake.
他担心呀，皇冠被人掺了假。
Archimedes had to find the truth.
阿基米德得帮忙，查出真相。
One day, he got into a bath.
有一天，他坐进了浴缸里。
Water spilled over the sides.
水一下子，从盆边溢了出来。
He suddenly knew how to test it.
他一下子，就想到了好办法。
He ran out shouting "Eureka!"
他跑出门，大喊着“尤里卡”。
