镍条双瓣窥器wire: n. 1.金属线,铜丝,铁丝,钢丝;【电学】导线;线路; ...bivalve: adj. 【植物;植物学】有两瓣的;【动物;动物学】有双 ...speculum: n. (pl. -la , speculums) 1.( ...bivalve rectal speculum: 双瓣直肠窥器illuminated bivalve nasal speculum: 照明双瓣式鼻镜下载手机词典可随时随地查词查翻译