prep.①橫過;通過:He swam across the river.他游過河。②在對面;在…那邊:My house is across the road.我家就在馬路對面。The woods are across the river.樹林在河對面。③交叉:He sat with his arms across the chest.他坐在那兒,雙手抱在胸前。come (run) across偶然...[繼續(xù)閱讀]

    n.①行為;動作:That is an act of justice.那是正義的行為。②(戲)幕:The first act was not very interesting.第一幕戲不很有趣。v.①行動;舉止:Think carefully before you act.你在行動前必須仔細想一想。We must act at once.我們必須立即行動。②表演;扮演:H...[繼續(xù)閱讀]

    n.行為;作用:This is a bad action.這是不良行為。Actions speak louder than words.行動比語言更有說服力。...[繼續(xù)閱讀]

    a.積極的;活躍的:He takes an active part in labor.他積極參加勞動。David is an active student in our school.大衛(wèi)在我們學校里是一名活躍的學生。be active in…積極于…:He was active in organizing the union to protect the bird.他積極組織護鳥協(xié)會。...[繼續(xù)閱讀]

    n.活動;活力:Classroom activities are things done by pupils in class.課堂活動是學生們在教室里所做的事情。a man full of activity充滿活力的人political activities政治活動∥ social activities社會活動∥ mental activity思維活動...[繼續(xù)閱讀]

    n.男演員:He is a good actor in our country.他是我國一位優(yōu)秀演員。...[繼續(xù)閱讀]

    n.女演員:She wanted to be an actress.她想當演員。...[繼續(xù)閱讀]

    a.實際的;真實的;實在的:Those were his actual words.那些是他的實話。They know nothing of the actual situation of the company.他們對公司的實際情況一無所知。...[繼續(xù)閱讀]

    ad.實際上;實在:He was really there,but I didnt see him actually.他真的在那兒,但我實在沒看見他。Actually,you are quite right.實際上,你是非常對的。...[繼續(xù)閱讀]

    n.公元(Anno Domini的縮略式)...[繼續(xù)閱讀]