及物动词
不及物动词
名词
1. influencing strongly
e.g. they resented the impingement of American values on European culture
Synonym: impingementencroachment
2. the violent interaction of individuals or groups entering into combat
e.g. the armies met in the shock of battle
Synonym: shock
3. the striking of one body against another
4. a forceful consequence
a strong effect
e.g. the book had an important impact on my thinking
the book packs a wallop
Synonym: wallop