短语词组短语Aerial Alacrity 轻敏飞行mental alacrity 精神愉悦Alacrity Environmental 名字alacrity reluctance 乐意alacrity dilatoriness 迅速迟缓Serious Alacrity 严肃活泼alacrity y 迅速;爽快;乐意Happy alacrity 开心活泼of alacrity 轻快的 返回 alacrity