roll-in滚入;滚球入界;转入;滚进
roll-in refrigerator滚入式冷藏间
Roll balls in sugar滚球进糖
Roll-in shower卷在淋浴;宠物活动场所的;大床;唱名表决在淋浴
roll -in转入
roll-in point开始转弯点;攻击进入点
roll management in universities高校学籍管理
roll on in cycles周而复始
cover or roll up in包扎;裹紧;包起来
PHRASAL VERB（动词词组） If something such as money is rolling in, it is appearing or being received in large quantities. (金钱等) 大量涌进 [非正式]
Don't forget, I have always kept the money rolling in.
别忘了，我总是在让钱财滚滚而来。