nature is the true law necessity is the mother of invention
Related Translations:
桀: 名词1.(夏朝末代君主, 相传是个暴君) jie, the name of the last ruler of the xia dynasty (c. 21st -- c. 16th century b.c.), traditionally considered a tyrant2.(姓氏) a surname 短语和例子桀龙 jie long