dielectricityn.介电性dielectricn.电介质；绝缘体adj.非传导性的dielectric slab phase shifter介质片移相器dielectric relaxation process介电松弛工艺dielectric-coated waveguide介质膜波导dielectric-filled waveguide介质填充波导dielectric analysis technique介电分析技术dielectric absorption spectra介电吸收谱dielectric dissipation factor介电损耗因子,介电损耗角正切dielectric constant of vacuum[化] 真空介电常量dielectric barrier discharges介质阻挡放电dielectric loss measuring set介质损耗测量装置

1. He had a banana and a wedge of cheese for lunch.
   他中饭吃一根香蕉和一块楔形的奶酪。
2. Please wedge this cabinet to keep it from tipping.
   请在橱底楔入楔子以防它倾斜。