结论: 外源性雌激素对脂多糖诱导的急性肺损伤有保护作用.Conclusion: Extra estrogen could prevention of acute lung injury induced by lipopolysaccharide.脂多糖是 革兰 氏阴性菌细胞壁的重要组成成分.Lipopolysaccharides are a major component of the cell walls of Gram - nega...
The Council meets on an ad hoc basis to discuss problems.议会临时安排会议讨论问题。The group meets on a regular basis, usually weekly or biweekly.这个小组定期会面，通常是每周或每两周一次。The group meets weekly.这个小组每周见一次面。...