Micrograph

[maikrәugrɑ:f]

解释:

(n.) An instrument for executing minute writing or engraving.

校对:莱斯利

解释:

n. a pantograph instrument for minute writing or drawing: a microscopic picture.—n. Microg′rapher.—adj. Micrograph′ic.—n. Microg′raphy the description of microscopic objects.

编辑:罗德里克