额外: extra; additional; added结构: structure; composition; cons ...外结构: external structure核外结构: ectra-nuclear structure; extranuclear structure胚外结构: adnexa; extraembryonic structure室外结构: outdoor structure外结构性别: external morphologic sex骨盆生殖外结构: pelvic extragenital structures额外: (超出规定数量或范围的) extra; additional; added 做额外工作 do extra work; 旅馆每个房间都有电视机作为额外优待。 television is available in each of the hotel rooms as an extra外结点: exterior node; external nodal point; extertor node外结合: outer join巢外结团: cluster outside entrance肺外结核: extrapulmonary tuberculosis后外结环形: back out ioop; back out loop季节外结果: extraseasonal fruiting; out-of-season fruiting内外结合: connecting interior with exterior前外结环形: fore out loop; forward outside loop外结合径: external conjugate外结晶地块: external crystalline massif野外结果: field result枕外结节: external occipital protuberance主外结点: primary external nodal point颏外结节: external mental tubercle附加意外结果: additional unexpected result额外带: extra band