9.Hold the ladder tightly and move up a rung at a time.
抓紧梯子一级一级地往上爬。
10.Have you rung up your mother recently?
你最近给你妈妈打过电话吗?
11.To be safe you should go up a ladder one rung at a time.
为安全起见, 登梯子时你应该一步一步往上爬。
12.Most of the workers had already rung in by the time I arrived.
到我来的时候为止, 大多数工人都已签到了。
13.One day would see John back in his store with his foot set firmly on the bottom rung to millionairedom.
人们有一天会见到约翰回到他的店铺坚定地走向发大财成巨富之路。
14.A shipful of passengers are celebrating New Year's Eve.Just after the New Year is rung in, the Captain spots a tidal wave.A huge tidal wave.Soon, everybody else sees it, too.