As a matter of fact, it is often very difficult for adoptees to find out about their birth parents because the birth records of most adoptees are usually sealed.
⇑ Translate the sentence above by Google ⇑
Related: sealed
Prev: They sealed their cooperation by an agreement.
Next: It was on Nov 4, 1923, the British archaeologist Howard Carter stumbled on a stone at the base of the tomb of another pharaoh in Luxor that eventually led to a sealed doorway.
