The helicopters appeared as two black dots on the horizon.

直升机像两个小黑点出现在地平线上。

《牛津词典》

What can you do with ten black dots?

你可以做什么十个黑点？

youdao

They are tiny black dots with a loose jelly coating.

它们是一些小黑点，裹着果冻般松软的外衣。

youdao

From a granite outcrop beyond the shed it was possible to look down and make out black dots in the valley, which were cattle.

NPR: Excerpt: 'Lost in Uttar Pradesh'

The penguins are these itty-bitty black dots that pepper the ice.

WSJ: Emperor Penguins Aplenty in Antarctica

It had a dark blue bodice with tiny white polka dots, a black skirt and a pink and white striped apron.

BBC: Lederhosen and dirndl dresses make a comeback