bondsman的复数形式怎么写？

Between the Roman colon - us and the new bondsman had stood the free Frankish peasant.介于罗马隶农和新的农奴之间的是自由的法兰克农民.A bondsman is needed in executing a student loan.办理助学贷款是需要担保人的....

n.奴隶...

bondsman的音标：bondsman的英式发音音标为：['bɒndzmən]bondsman的美式发音音标为：['bɒndzmən]...