还有那贴满四壁我俩的相片: there's pictures of you and i on the walls around me
以内: within; within the limits of; including; less than 短语和例子长城以内 within the great wall; 在三天以内 within three days; 限制在五十人以内 within the limits of fifty people; 这种药三年以内有效 。 this medicine is effect