单词	leadsman
释义	leadsman noun leads·​man ˈledz-mən  : a man who uses a sounding lead to determine depth of water Word History First Known Use circa 1841, in the meaning defined above
随便看	disulfotons disulfuric acid disulphates disulphide disulphides disulphiram disunification disunified disunifies disuniform disunify disunifyes disunifying disunion disunionisms disunionist disunionists disunions disunite disunited disuniters disunites disunities disuniting disunity

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