Objective Hyperoxia - induced lung injury is the most common cause of bronchopulmonary dysplasia ( BPD ) in neonates.目的高氧肺损伤是导致支气管肺发育不良(BPD ) 的最常见原因....
Millson saw the workman, Terry, descending the ladder.米尔森看见工人特里正从梯子上下来。A bad workman finds much fault with his tools.蹩脚的工匠总是埋怨自己的工具不好.The workman patched the ceiling.工人修补了天花板....