单词：roundel
音标：['raundl] ；
n. 圆形饰物, 小圆盘
n. English form of rondeau having three triplets with a refrain after the first and third
n. round piece of armor plate that protects the armpit
n. round piece of armor plate that protects the armpit
词型变化：名词复数形式 : roundels
词性分布：
roundel的用法和样例：
例句
用作名词(n.)
- The assemblies are a direct replacement for older style incandescent bulbs, fitting into the roundel ring as a replacement for the existing roundel, reflector and bracket.这些组件可直接替换样式陈旧的白炽灯泡，适合于圆玻璃环，可替换现有圆玻璃、反射器和煤气灯。
词汇搭配
- red roundel红色表示镜
- deflecting roundel偏光镜