challange
US
・UK
A1 初級
n.名詞挑戦
he accepted the challenge
n.名詞挑戦
a challenge to the legality of the banning order
n.名詞挑戦
recently vaccinated calves should be protected from challenge
v.動詞挑戦
it is possible to challenge the report's assumptions
v.動詞挑戦
he challenged one of my men to a duel
v.動詞挑戦
The animals were not challenged with antigen after sensitization as the aim was to study the biochemical changes due to sensitization alone.
