Stoma
01
造口, 口状开口
a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
语法信息
有生性状态
无生命
形态构成
简单词
可数
复数形式
stomas
02
气孔, 叶孔
a microscopic pore found on the surface of leaves and stems of plants, involved in gas exchange, including the uptake of carbon dioxide and release of oxygen and water vapor
例子
The number of stomata per square inch on a leaf is influenced by environmental conditions.
每平方英寸叶片上的气孔数量受环境条件影响。
