He'd been painting the door and there were specks of paint all over the floor.他在给门上漆,弄得地板上到处都是油漆斑点。
There's not a speck of (= not any) dust/dirt in their house.他们的房子里一尘不染。
We could see a speck (= a small amount) of light at the end of the tunnel.我们可以看见隧道尽头有一点亮光。