n. 伸出,突出
网络 突出型; 突起; 隆起
Here´s why: In 1830 a local official named George Rankin lowered himself into the cave on a rope tied to a protrusion in the cave wall.
原因如下:1830年,一位名叫乔治·兰金(George Rankin)的当地官员用一根绳子把自己吊入洞穴,这根绳子固定在洞穴壁的一个突出石块上。
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。
The protrusion turned out to be a bone.
原来那个突出物是一块骨头。
A similar rocky protrusion was noticed in the north apse.
在北侧半圆壁龛另有一块相似的石头。
It is a protrusion of the cell sticking out of the epic al surface.
伸出细胞的美丽表面。