2013gre考试备考:3月gre考试必备十八篇词汇(七)
airtight [5eEtaIt] adj. 密闭的,不透气的(impermeable to air or nearly so) (类)foolproof·fail=airtight·leak 极其可靠的不会出故障=密封的不会泄漏 【注】foolproof :adj. so simple or reliable as to leave no opportunity for error or failure alabaster [ 5AlEbB:stE ] n.雪花石膏 adj.雪白的...