| 单词 | biface |
| 释义 | biface (extremely rare) adj WORD FAMILY face: biface, deface, faced, faceless, faces, facial, facing, reface+/deface: defaced, defacement, defaces, defacing/defacement: defacements/faced: facedest, facedly/faceless: facelessly/facial: bifacial, facially, facials/facing: facings/reface: refaced, refacing USAGE EXAMPLESIn the hole, the divers found stone tools including an inch-wide, several inch-long stone knife and a “biface” – a stone flaked sharp on both sides. The Guardian(May 14, 2016) So when one her team members uncovered an ancient stone tool called a biface, Halligan was ready. Science Magazine(May 13, 2016) When they radiocarbon dated the samples, they found that the biface was in a layer dated to 14,550 years ago. Science Magazine(May 13, 2016) adj having two faces or fronts Syn bifacial bidirectional reactive or functioning or allowing movement in two usually opposite directions |
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