ultramarathoning
构词拆解
- -ing
- Used to form nouns or noun-like words (or elements of noun phrases) from verbs, denoting the act of doing something, an action, or the embodiment of an action. · Used to form nouns denoting materials or systems of objects which are used or employed in an action, or considered collectively.
词源说明
From ultramarathon + -ing.
释义
名词noun
- 1The sport of running ultramarathons.