manuports造句

• Exploratory tests, though, revealed even deeper artifacts, manuports ( natural objects moved by human action ), and charcoal down to depths of four meters.
• Well below the Gainey point, at a depth of 3.7 to 3.8 meters were found three large cobbles identified as manuports and three flakes ( Lopinot et al . 1998 : 41 ).
• Wonderwerk Cave is located in the range near Kuruman and was occupied by man during the Later Stone Age, while much earlier manuports, introduced by hominins in the terminal Acheulean, have been found at the back of the cave.
• An example is Isaac et al .'s tri-modal categories of " Flaked Pieces " ( cores / choppers ), " Detached Pieces " ( flakes and fragments ), " Pounded Pieces " ( cobbles utilized as hammerstones, etc . ) and " Unmodified Pieces " ( manuports, stones transported to sites ).