单语范例（未经PONS编辑处理）
Although originally attributed to a melting of subducted oceanic crust, recent evidence belies this connection.
en.wikipedia.org This developed as oceanic crust to the (present) north-west and was forced by crustal movement under a continental land-mass to the present south-east.
en.wikipedia.org Above and behind the subduction zone, a welt of oceanic crust and mantle rides up over the descending plate.
en.wikipedia.org The largest of these is the Caspian Sea, although it is sometimes counted as a proper sea owing to its basin of (now-landlocked) oceanic crust.
en.wikipedia.org The Bay of Biscay opened and became partially underlain by oceanic crust.
en.wikipedia.org