柯林斯词典protrusion /prəˈtruːʒən/ (protrusions) 1. N-COUNT A protrusion is something that sticks out from something. 凸出物; 凸起部分[正式] He grabbed at a protrusion of rock with his right hand. 他用右手抓住了一块凸起的岩石。 返回 protrusion剑桥词典something that sticks out from a surface , or the act of doing this 突出物；伸出，凸起 It has a series of protrusions along its back. 它背上有一连串的凸起。 The condition results in weight loss , rapid heart beat and protrusion of the eyes . 这种病会导致体重下降、心动过速和眼球凸出。 返回 protrusion