| 释义 |
biˈfacial, a.
[bi-2.]
Having two faces; spec. Bot., having distinct dorsal and ventral surfaces; Archæol., of a flint: worked on both sides. Hence biˈfacially adv.
1884Bower & Scott De Bary's Phanerog. F. 48 Firm, leathery..bifacial leaves. 1952V. G. Childe New Light on Most Anc. East ii. 19 Bifacial trimming in which the primary flake is thinned and shaped by the removal of fine secondary flakes from both sides or faces and along both edges. 1953[see biface]. 1957V. G. Childe Dawn Europ. Civ. (ed. 6) vii. 111 The Bükkians made from the volcanic glass knives and scrapers, but no bifacially worked arrow-heads. |