在瑜伽课上，老师教我们如何正确地呼吸。

In yoga class, the instructor teaches us how to ___breathe properly.

植物在白天通过光合作用产生氧气，夜晚则通过呼吸作用消耗氧气。

Plants produce oxygen through photosynthesis during the day and ___respire at night.