[tóu rù]
put into; throw into; input; investment in
invest much capital in
投入大量资金
throw oneself into work actively
积极投入工作
throw (oneself, troops, etc.) into the battle
投入战斗
return to one's own country
投入祖国的怀抱
put into production; go into operation
投入生产
nestle in the arms of sb.
投入怀抱
bringing into service
投入运行
put in five years' labour to the work
在这部作品上投入了5年的劳动