The student (Ⅲ) 1.portfolio [pɔːt’fəʊlɪəʊ] n. 公文包; 证券投资组合 2. crank v. 曲柄;易怒 3. fifth gear 第五档 4.demon ['diːmən] n. 魔鬼;精力充沛的人 a demon for work 拼命工作的人 5.breakneck [‘breɪknek] adj. 非常危险的;极快的 6.countship [‘kɔːtʃɪp] n. 恋爱期 7. oneself in 沉醉于;沉迷于 8.accomplishment n. 成就 accomplish v.完成 accomplished adj. 熟练的;完成的; 有技巧的 9.squeeze in 挤进去;填充 10.attic [‘ætɪk] n. 阁楼;顶楼 11.flick v. 轻弹; 忽然摇动 ;轻打 e.g.: He flicked his cigarette out of the window flick through 浏览;(快速)翻阅
沉醉于;沉迷于 是buried oneself in吧