protuberance
US /prəˈtuː.bər.əns/
UK /prəˈtuː.bər.əns/
名词
1.
凸起
something that sticks out from a surface:
示例:
•
If the plant has been infected you will see dark protuberances along the stems.
在 Lingoland 学习这个单词
凸起
something that sticks out from a surface: