monocles
英 [ˈmɒnɒklz] 
美 [ˈmɑnəkəlz]
n. 单片眼镜
monocle的复数
柯林斯词典
- （旧时的）单片眼镜
A monocle is a glass lens which people wore in former times in front of one of their eyes to improve their ability to see with that eye.
双语例句
- The monocles cylinder head reduce the noise.
整体式缸头，缸头噪声更小。
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