top30是指前30名
例句
1、
the man at the top.
地位最高的人
2、
Executives lived like kings. The top thirty-one executives were paid a total of$ 14.2 million.
经理们活得像国王一样。职位最高的31名经理的薪金总额达到了1，420万美元。
3、
Someone had played a trick on her， stretched a piece of string at the top of those steps
有人搞恶作剧整她，在最高的台阶上拉了一根绳子。
