Xiǎnwēijìng xià kěyǐ kàndào yèpiàn shàng de qìkǒng.
Stomata on leaves can be seen under a microscope.
Tips
usage
气孔 has two main uses: in botany it refers to stomata (tiny openings on leaf surfaces for gas exchange); in materials/engineering it refers to gas pores or voids in metal castings or ceramics.