同根派生 英汉例句用作名词 (n.)He ruled the country with a firm hand.他以铁的手腕治理着国家。She pushed his hand out of the way, causing the pot to lurch and send one boiling wave cresting onto John's exposed wrist.她把他的手推开，结果把壶给弄歪了，滚开的水洒到了约翰裸露的手腕上。