例句：I think international calls are very expensive.
我認(rèn)為國(guó)際電話費(fèi)用很高。
costly adj. 昂貴的，貴重的，代價(jià)高的
例句：The costly renovation of the old college building was criticized by most students.
花費(fèi)很大的舊校舍的修復(fù)工程受到大多數(shù)學(xué)生的批評(píng)。
extravagant adj. 奢侈的，浪費(fèi)的，過(guò)分的，放縱的
例句：Simon's eldest son was careless and extravagant.
西蒙的大兒子是個(gè)無(wú)所用心、揮霍無(wú)度的人。
luxury n.奢侈，華貴
例句：Hellen has lived in luxury all her life.
海倫一生生活奢侈。
luxurious adj. 奢侈的，豪華的
例句：The interior of the building is magnificent and luxurious.
大樓內(nèi)部裝飾得很奢華。
