Insects actually breathe through tiny holes in their exoskeletons that deliver oxygen to their tissues through a series of internal tubes.

昆虫实际上是通过外骨骼上的小孔呼吸的，这些小孔通过一系列内部管道将氧气输送到组织中。

Insects breathe through tiny holes in their exoskeletons that deliver oxygen to their tissues through a series of internal tubes.

昆虫通过外骨骼上的小孔呼吸，这些小孔通过一系列内管将氧气输送到它们的组织。