The Jawas are a scavenger species.They comb the deserts of Tatooine in search of discarded scrap and wayward mechanicals.

贾哇人是拾荒者，他们在塔图音沙漠搜寻被丢弃的废料和不稳定的机。

Aged patients may be hypoxemic during normal spontaneous ventilation postoperatively because of the mechanical changes of the aged lung and chest wall.

病人由于肺和胸壁机功能的改术后一般自主呼吸会发生低氧血。