He spits them out from time to time in order to aerate them over the 5-day gestation period.

他要时不时地将蛋吐出来，让他们置于空气中，才能熬过5天。

Finally, if the pleural effusion is large enough, it can start to push against the lung not letting it fully aerate and even causing the trachea to shift away from the side of the effusion --called tracheal deviation.

最终，如果胸腔积液足够多，会将肺推向一侧，使肺不能正常通气，甚至造成气管移向积液对侧，称作气管移位。