protrusion
US /prəˈtruː.ʒən/
UK /prəˈtruː.ʒən/
名詞
1.
突起
something that sticks out from a surface, or the act of doing this:
例:
•
It has a series of protrusions along its back.
Lingolandでこの単語を学ぶ
突起
something that sticks out from a surface, or the act of doing this: