Flecks so light they looked almost a caramel gold .

斑点看上去很轻，他们几乎是焦糖金牌。

But a new study reports that these tiny flecks of carbon can shrink tumors in mice by delivering chemotherapy drugs to cancer cells .

不过，最近的一项研究显示，这些细小的碳颗粒能将化疗药物送进大鼠的癌细胞里而致其萎缩。

Some of these fine particles -- suspended in air as primary organic aerosols -- are tiny flecks rich in carbon , often from sources such as diesel exhaust .

在这些作为初级有机气溶胶悬浮在空气中的细微颗粒当中，有些是富含碳元素的小尘粒，来源是柴油车尾气之类的排放。

There are many flecks on the eggshells .

蛋壳上有许多细小的斑点。

He had on a rust-colored sweater that highlighted the amber flecks in his eyes .

他一直是个铁锈色的毛衣，强调在他的眼中，琥珀斑点。