【céng bào】
拼音:céng bào 注音:ㄘㄥˊ ㄅㄠˋ◎ 层报 céngbào[report to higher authorities through proper channel (step by step)]逐级地向上报告
一级一级地向上级报告。
逐级向上级报告。
层报
to report to higher authorities through layers of hierarchy
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