sink·er [ˈsɪŋkəʳ, 美 -ɚ] 名词
单语范例（未经PONS编辑处理）
A bite indicator such as a float, and a weight or sinker are sometimes used.
en.wikipedia.org His lead pitch is a sinker in the 8789 mph range.
en.wikipedia.org In fast flowing waters, heavier sinkers may be needed to keep the bait in the target area long enough to be noticed by a fish.
en.wikipedia.org His primary pitch was a sinker that was difficult for batters to drive in the air.
en.wikipedia.org The mines weighed 1430 kg and were buoyant, so needed to be moored with sinkers, up to 25 metres below the surface.
en.wikipedia.org