protrusion基本解释
n.隆起物；突出；伸出
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protrusion
更新时间：2024-12-03 00:44:33
n.隆起物；突出；伸出
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"the gun in his pocket made an obvious bulge"
"the hump of a camel"
"he stood on the rocky prominence"
"the occipital protuberance was well developed"
"the bony excrescence between its horns"
