air pore

• 气孔

air pore的用法和样例：

例句

1. Oxygen and carbon dioxide from the air enter through the stoma.
   氧和二氧化碳从空气中进入气孔。
2. Each stoma is surrounded by two crescent-shaped GUARD CELLS, attached to each other at their ends, which regulate the opening and closing of the pore by changes in their turgidity.
   每个气孔被两个新月形的保卫细胞头尾相接围绕而成。