noun 下载 🔗分享 突起,隆起,凸起。 A bulge, knob, swelling, spine or anything that protrudes. Examples : "The tree trunk had a large protuberance where a branch had been broken off long ago. " 树干上有一个很大的隆起,那是很久以前树枝折断的地方留下的。 appearance body anatomy part structure organism 与AI对话词汇游戏阅读练习