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更新日期:2026-08-14
be of avail有用的;有益的:When the sailors of a wrecked ship drifted to an uninhabited island,everything they brought with them was of avail there.当沉船的海员们漂流到一个无人居住的岛上时,他们随身携带的每件东西在那里都是有用的。