They will run back over the safety regulations again.他们将复审一下安全规程。Sarah's first thought was to run back and get Max.萨拉首先想到的就是跑回去把马克斯叫来。The water will run back into the tank if you block the pipe.如果你把管道堵上,水将流回槽里。She often let her thoughts run back over her childhood.她常常回想起她的童年时代。