"the teacher tried to increase his students' engagement in class activities"
"he escaped involvement in the accident" "there was additional involvement of the liver and spleen"
"an interest in music"
involvement是什么意思
involving是什么意思
invulnerability是什么意思
invulnerable是什么意思
inwall是什么意思
inward是什么意思
inwardly是什么意思
inwardness是什么意思
inwards是什么意思
inweave是什么意思