Lily Hippo, keep it down! Sing quietly! NOT SO LOUD! Lily老是被要求小聲一點(diǎn),可是她試了又試,小心翼翼的,還是常常聽(tīng)到大家對(duì)她說(shuō):"Lily,你太吵了! "有一天,學(xué)校來(lái)了一位穿著大紅斗蓬的Loopiola老師,她會(huì)帶給Lily什么樣的改變呢?