eat back meaning in Chinese

化学腐蚀蔓延

i order a ton of tuna fish sandwiches . that ' s all she ' s eating back then , tuna fish . 
我要了许多金枪鱼三明治那就是她回来之后要吃的，金枪鱼
i order a ton of tuna fish sandwiches . that ' s all she was eating back then , tuna fish . 
我给她要了许多金枪鱼三明治那就是她回来想要吃的，金枪鱼
Hard lifeguards to keep the sea rescue oh also find time to eat back their strength - to try to save you of the number of missing persons
辛苦的救生员,要不停的在海里面救人哦抽空还要回来吃点东西补充体力来试试你能救到多少个落水者吧
Motownphilly s back again doin a little east coast fling boyz ii men going off not too hard , not too soft it s long overdue but now philly is slammin boyz ii men , abc , bbd the east coast family never skipped a beat , na while cooling on south street jet black benz , plenty of friends and all the philly steaks you could eat back in school we used to dream about this everyday could it really happen
分与合都不用惊怕有一梦便造多一梦直到死别都不觉任何阵痛趁冲动能换到感动这愉快黑洞苏醒以后谁亦会扑空(这幻觉不去用苏醒以后难道你会哭出笑容)当嚎哭和枪声是梦中的歌声你共我这一场梦里的畅泳