concealed的动词
concealed是动词conceal的过去式和过去分词。该词表示“隐藏，掩盖”。 例如：Frances decided to conceal the machine behind a hinged panel. 弗朗西丝决定把那台机器藏到一块可开合的镶板后面。 Robert could not conceal his relief. 罗伯特掩饰不住自己如释重负的心情。 Tim could barely conceal his disappointment. 蒂姆几乎掩饰不住自己的失望...