1640s, from Late Latin protuberantem (nominative protuberans), present participle of protuberare "to swell, bulge, grow forth," from Latin pro- "forward" (see pro-) + tuber "lump, swelling" (see tuber).
双语例句
1. There is a big protuberance on the trunk.
树干上有个大包.
来自《现代汉英综合大词典》
2. The skull is well domed a pronounced occipital protuberance.
头骨是半球形的,枕骨凸起十分明显.
来自互联网
3. This paper introduces a lug mantle and solution of bottom protuberance.
介绍一种代替深拉深的变通两体风罩结构,及底部外鼓的解决办法.
来自互联网
4. Skull. The skull is well domed, showing a pronounced occipital protuberance.
