The vessels will have to land their catch at designated ports.渔船将不得不在指定的港口卸下捕获物。A drowning man will catch at a straw.溺水的人连稻草也要死命抓住。They catch at every opportunity to make money.他们抓住一切机会来赚钱。Roger made some brilliant catches at today's game.罗杰在今天比赛中接了几个漂亮球。