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单词

protrusion

读音
proʊˈtruːʒn
美式
英式
词根

释义

n. 突出;突出物 [ 复数 protrusions ]

例句

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。

强化记忆

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and in some cases disappear entirely.And the keel-like protrusion on their sternums,where the flight muscles attach, shrinks or disappears,
所属分类

出国,其他

所在词典

GRE填空及阅读机经,医学英语(The Language of Medicine)