Daily Vocabulary(2005/06/29)

541.mitigate（和らげる)
There were no circumstances to mitigate the crime.
542.entail(伴う）
How much work does this project entail?
543.pristine（手つかずの状態）
The house was left in pristine condition by the cleaners.
544.hitherto（これまで）
The problem is hitherto unknown in this country.
545.vanguard(先駆者)
His music is at the vanguard of modern jazz.
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