英语介词习语归纳（“名词+介词+名词”类）
day after day日复一日地 one after another一个接一个
time after time屡次 year after year年复一年地
shot after shot 一枪一枪地 day by day一天一天地
year by year 一年一年地 one by one一个接一个地
little by little一点一点地 side by side并肩
step by step一步一步地 sentence by sentence 逐句
arm in arm手挽手地 hand in hand手牵手地
day to day 天天，日复一日地 face to face面对面
shoulder to shoulder 肩并肩