protrusion

n. 突出、突出部、露出

前突

學術名詞

• 突出：魚類、醫學
• 突出構造：地質學
• 硬體侵入：地質學

英文釋義

1. something that bulges out or is protuberant or projects from its surroundings
2. the act of projecting out from something