1、Lessons2930 课文详注 Further notes on the text 1untidy,乱,不整齐。un-是前缀,表示“not”这类否定的意思。2air the room,语法 Grammar in use must(1)must是一个情态助动词,表示“必须”、“应当”,与have to相似,表示不可逃避的义务。在说话人看来,没有选择余地。但是,must带有个人色彩,表示说话人的主观意图。表示个人感情时通常用must。You must(你必须)表示说话人说/认为是必要的。如:You must sweep the floor. 你必须扫地。(我说这有必要) 词汇学习 Word st
2、udy 1air (1)n.空气,新鲜空气:Lets go out and breathe some fresh air. 咱们出去呼吸点新鲜空气吧。(2)n.空中,空间:He likes to stay in the open air. 他喜欢在户外呆着。(3)v.晾(衣服、被褥等);使通风:Open the windows and air the room. 打开窗户使房间通风。Leave the trousers on the washing-line to air. 把裤子挂到晾衣绳上去晾干。2empty (1)v. 使空;把倒出(移出):Empty the bottle of mil
3、k. 倒光瓶里的牛奶。They emptied the house. 他们把房屋搬空了。(2)v. 流出;走出:The river emptied itself into the sea. 河水流入大海。It was raining, and the streets began to empty. 天下起了雨,街上的行人开始稀少了。(3)adj. 空的:There are some empty bottles in the refrigerator. 冰箱里有一些空瓶子。Her purse is empty. 她的钱包是空的。(4)adj. 空虚的,无意义的:Its an empty dream. 这是个不现实的梦想。Officials were flattered by empty complements. 官员们被空洞的恭维话弄得心里美滋滋的。(5)adj. 呆板的,毫无表情的:She looked at him with empty eyes. 她木然地看着他。He said all this in an empty voice. 他用一种呆板的声调说了这一切。