“肺”造句

肺细胞约每周新老更替一次。
Lung cells die and are replaced about once a week.

肺实际上由上千条细微的气管构成。
The lungs are in fact constructed of thousands of tiny tubes.

肺呼出这些废气被排到空气中。
As the lungs exhale this waste, gas is expelled into the atmosphere.

• #肺