A dark spot, true, but a small one.

是个盲点，没错，但很小。

youdao

The rover itself sits still, parked at center right (dark spot).

月球车(黑点)本身是静止的，停在中间偏右处。

youdao

I remember being recommended this product by my dermatologist to get rid of a really dark spot on my face.

我记得我的皮肤病医师曾推荐我用这种产品来祛除脸上的暗斑。

youdao

Operators of the Hubble Space Telescope said the dark spot is about two times the length of the United States.

VOA: special.2009.08.25

the small dark spot where a sprout will grow.

VOA: special.2009.03.10

The dark spot: The Gap, where analysts anticipate a 4.8% drop in revenues from existing outlets.

FORBES: Magazine Article

The shark is once again a dark spot in the water as it swims from the boat.

FORBES: Summit Series: Catching Sharks With Celebrities And A Billionaire (video)

The Great Dark Spot seen by Voyager 2, a probe which investigated the planet in 1989, disappeared within a year.

ECONOMIST: Comparative meteorology