A gerund is a noun formed from a verb which refers to an action, process, or state. In English, gerunds end in '-ing', for example 'running' and 'thinking'.
英汉词典释义
n.
动名词
In English, gerunds end in “-ing”.在英语中, 动名词以“-ing”结尾。
英英词典释义
Noun
1. a noun formed from a verb (such as the `-ing' form of an English verb when used as a noun)