You have about 24 hours before the blood leaves your system. That's enough time to disappear.

在血液排出体内前，你有大约24小时。有足够的时间给你消失。

That's where platelets are collected and removed from the blood before the blood is returned to an individual.

血小板单采是指从血液中收集并除去血小板，再回输血液入患者体内。

But before the blood test, Barry went to gossip columnist Hedda Hopper, who already didn't like Chaplin.

但在验血之前，巴里去找了八卦专栏作家海达·霍珀，她本来就不喜欢卓别林。