First, there may be a brief cessation or reduction of breathing when falling asleep as the sleeper waxes and wanes between sleep and wakefulness and their differing control mechanisms.
首先，睡眠者在半梦半醒及不同调节机制之间转换时进入睡眠状态，呼吸可能短暂地停止或减少。
2
Unless they control their instincts, 2010 will look, in years to come, like a brief calm before the next energy storm.
除非消费者能够克勤克俭，否则再度回首，2010年就像是一场能源暴雨前的宁静。
3
The process control of locomotive operation is introduced in brief and the design of expert controller is emphasised.