Labori拉博里laborn.工人；劳工；工作；分娩；劳力v.苦干；劳动；致力于；过分详尽阐述adj.劳工的；劳动的labor cost sheet人工成本单Labor Day Slogan五一口号laborkatory plan实验室制labor emigration劳动力外流labor debt right劳动债权labor federation劳工联盟labor emulations劳动竞赛laborer's rightslabor redundance劳动力过剩Labor anesthesia无痛分娩