dark-field
暗场,黑场,暗地里,暗色领域
Definitions
- 1
Optics.
- : of or relating to the illumination of an object by which it is seen, through a microscope, as bright against a dark background.
Examples
The eating disorder field remains divided over the potential efficacy of such measures.
He wore white gloves, a dignified long black coat, and matching pants and vest, and he carried a dark walking stick.
I thought about the mother, her fear of the dark, of the harm she feared might come to her daughters.
Then she managed to struggle a mile through dark, rainy woods.
“He was a brave field commander and an expert in intelligence, and in organizing popular and tribal forces,” said the eulogist.
He distinguished himself in several campaigns, especially in the Peninsular war, and was raised to the rank of field marshal.
We had six field-pieces, but we only took four, harnessed wit twice the usual number of horses.
Ripperda's eye fell upon the mantle,—it was discoloured a dark red in many places, he nodded his head, and the man withdrew.
There were two battalions, together about a thousand men; and they brought a field-piece with them.
He glanced aside, and saw an exceedingly pretty, dark face, which looked vaguely familiar.