1.withdraw v. 撤退;撤走;拿走;(從銀行)取(錢)
例句:He stated that all foreign forces would withdraw as soon as the crisis ended.
他聲明危機一結束,所有外國軍隊都將撤離 。
2.invaluable a. 無價的;極有用的;極寶貴的
例句:The book is an invaluable aid to teachers of literature.
這本書對于教授文學的老師來說幫助非常大 。