stoma
US /ˈstoʊ.mə/
UK /ˈstəʊ.mə/
名词
1.
气孔
a small opening in the surface of a leaf or stem through which gases and water vapor pass
示例:
•
The stoma allows the plant to take in carbon dioxide for photosynthesis.
气孔允许植物吸收二氧化碳进行光合作用。
•
During a drought, a plant may close each stoma to prevent water loss.
在干旱期间，植物可能会关闭每个气孔以防止水分流失。
2.
造口, 人工开口
an artificial opening made in an organ of the body, such as the colon, to allow the passage of waste
示例:
•
The surgeon created a stoma during the colostomy procedure.
外科医生在结肠造口术中制造了一个造口。
•
Proper care of the stoma is essential to prevent infection.
妥善护理造口对于预防感染至关重要。