意思翻译
平凸意义
相关相似convey meaning───传达意义
cognitive meaning───认知意义
emotive meaning───感情意义
explain the meaning───解释一下意思
placer mining───砂矿开采;淘金
plano-convex───平凸的
precise meaning───确切的含义
双语场合用语英语场合用语延伸推荐- plano-convex meaning
- plano-convex cylindrical lens
- plano-convex lens focal length