chromograph的翻译，读音
英/'krәumәgrɑ:f/
释义：
n. 胶版复印器
n. An apparatus by which a number of copies of written
matter, maps, plans, etc., can be made; -- called also hectograph.
n. An apparatus by which a number of copies of written
matter, maps, plans, etc., can be made; -- called also hectograph.