RecruitingPhase 1Drug trialAssess the Plasma, Epithelial Lining, and Alveolar Macrophage Concentrations of Intravenous Meropenem-Pralubactam (Meropenem/FL058) in China Healthy Adult ParticipantsThe goal of this clinical trial is to evaluate the Epithelial Lining Fluid concentrations and permeability of Intravenous Meropenem-Pralubactam(Meropenem/FL058) in China Healthy Adult Participants. The main question it aims to answer is: • \[question 1\] : What are the concentrations of meropenem and Pralubactam in plasma, epithelial lining fluid (ELF), and alveolar macrophages (AM) at each time point