单词	pre-existing
释义	pre-existingpre-existing, pre·ex·ist·ing /ˌpriːɪɡˈzɪstɪŋ◂/ adjective [only before noun] Examples EXAMPLES FROM THE CORPUS If the database contains pre-existing original works normal rules apply. In this kind of case, pre-existing acquaintances were invalidated. It also stops them refusing cover for more than a year to those with pre-existing conditions. On the one hand, nucleic acids arise only as copies of pre-existing nucleic acids. Replacive minerals grow, as their name suggests, in the place of pre-existing minerals and not into pore spaces. The Act effects several important changes to the pre-existing law. This deposit mantles the flanks of the pre-existing cone, but is no more than a few metres thick at most. This division to some degree reflected the pre-existing division of opinion on the Poor Law and its desirable replacement. Collocations COLLOCATIONS FROM THE ENTRY► pre-existing ... condition  Inform your doctor of any pre-existing medical condition. Word family WORD FAMILYnounexistence ≠ non-existenceexistentexistentialismexistentialistcoexistenceadjectiveexistent ≠ nonexistentexistingpre-existingexistentialexistentialistverbexistcoexist formal existing before a particular time or event:  Inform your doctor of any pre-existing medical condition.
随便看	exist existence existent existential existentialism existentialist existing EXIT exit exit poll exit strategy Exmoor Exocet missile Exodus exodus trichologist trick trickery trickle trickle-down effect trick or treat trickster tricky tricolour tricycle

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