An able seaman (AB) is an unlicensed member of the deck department of a merchant ship. An AB may work as a watchstander, a day worker, or a combination of these roles.
近义、反义、联想词
近义词
n.
mariner, seaman, tar, Jack-tar, Jack, old salt, seafarer
英英词典
able seaman n.
a seaman in the merchant navy; trained in special skills