aboard abroad board borad的不同点

aboard abroad board borad的不同点 aboard、abroad、board、broad aboard abroad board broad 区别 英语!board broad aboard abroad 长得太相像了,要准确的. 英语!board broad aboard abroad 长得太相像了,要准确的 board,broad,aboard,abroad怎样记不会混? aboard 和 abroad的区别 英语!board broad aboard abroad 这些单词分别是什么意思?长得太相像了,要准确的. 英语aboard和abroad的区别 有木有好记的方法分别abroad 和aboard aboard broad abroad board帮我辨析一下,懒得查了 john has never been __ a plane. A abroad B aboard C board D