定期航班的数量正让空中交通指挥系统不堪重负。The volume of scheduled flights is straining the air traffic control system.他们发行一定数量的可公开交易的股票。They issue a fixed number of shares that trade publicly.有一些廉价的商品，但是数量不足以满足需求。Cheap goods are available, ...
新生儿有轻微的黄疸较为常见，经常不需要治疗就能自愈。Mild jaundice in the newborn is common and often clears without treatment.新生儿的手术失败了.The operation on the new born infant was a failure.摘要目的探讨新生儿重度窒息抢救的措施.Objective Inquiry into the heavy asphyxi...