monochrome
n. 黑白照片；单色照片（画）；黑白重现；单色复制
adj. 单色的；黑白的
例句
Printing a black-and-white negative on to colour paper produces a similar monochrome effect.
将黑白底片冲印在彩色纸上产生一种类似的单色效果。
《柯林斯英汉双解大词典》
It is also called as monochrome conversion.
这种技术也叫做单色转换。
It was ugly. It had a monochrome screen the size of a postage stamp.
它确实很丑，它仅配备了一块邮票大小的单色显示屏。
