gobeggingfromdoortodoor;沿门乞讨
walkalongtheriver;沿着河边走
behandeddownfromgenerationtogeneration;世代相沿
becomeacustomthroughlongusage相沿成习
trimthecollarofagarment在衣领上沿一道边
theedgeofabed;床沿
banksofaditchorcanal;沟沿
〈动〉
〈名〉