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
  Amonocleis 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。