Vocabulary
相槌を打つ
あいづちをうつ
to make use of aizuchi; to back-channel; to throw in interjections to show that one is paying attention
expression
verb
Example sentences
彼（かれ）はすぐに相（しょう）づちを打（ぶ）った。
He made a quick response.
「私（わたし）もそう思（おも）うわ」と彼女（かのじょ）は相（しょう）づちを打（ぶ）った。
"I think so, too," she chimed in.