up-to-dateadj.
英 ,ʌp tə 'deɪt | 美 'ʌptə 'det
中文adj. 最新的，最近的；现代的，新式的
词根词源
up-to-date (adv.)1840, "right to the present time," from phrase up to date, probably originally from bookkeeping. As an adjective from 1865. Meaning "having the latest facts" is recorded from 1889; that of "having current styles and tastes" is from 1891.
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