ciliary muscle
noun [ C ] anatomy specialized uk/ˈsɪl.i.ə.ri ˌmʌs.əl/ us/ˈsɪl.i.er.i ˌmʌs.əl/
睫状肌（晶状体周围的一块肌肉，作用是改变晶状体形状以获得清楚的映像）
one of the muscles around the lens of the eye that can change the shape of the lens in order to produce a clear image