stomate + open/close
Each stomate opens to allow gas exchange.
每个气孔张开以允许气体交换。
气孔；叶孔；小孔
叶子或茎上的微小表皮孔,气体和水蒸气可通过；有小孔的；有叶孔的
叶子或茎上的微小表皮孔,气体和水蒸气可通过
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
Under the microscope, we could see a single stomate on the leaf surface.
在显微镜下，我们能看见叶片表面的一个气孔。
用法提示：stomate 是名词，指叶片表面的微小气孔。
Plants open their stomates to take in carbon dioxide.
植物张开气孔吸入二氧化碳。
用法提示：stomates 是 stomate 的复数形式，作名词，表示气孔。
Each stomate is surrounded by two guard cells.
每个气孔由两个保卫细胞包围。
用法提示：stomate 是名词，在句中作主语，指叶或茎上的气孔。
Each stomate opens to allow gas exchange.
每个气孔张开以允许气体交换。
stomate 常以复数形式 stomates 出现。
The leaf has numerous sunken stomates.
这片叶子有许多下陷的气孔。
Water vapor exits the leaf through stomates.
水蒸气通过气孔离开叶片。
grammar · medium
易错句子Stomate leaves allow gas exchange.
正确表达Stomatal leaves allow gas exchange.
“Stomate” 是名词，意为“气孔”，不能直接用作形容词修饰叶子。正确的形容词形式是“stomatal”（气孔的）。
grammar · medium
易错句子There is much stomate on the leaf.
正确表达There are many stomata on the leaf.
“Stomate” 是可数名词，应用复数形式 “stomata” 表示多个，且与 “many” 搭配；汉语中不区分单复数，易导致此类错误。
stoma 与 stomate 同义，但 stoma 更常用，且 stoma 的复数为 stomata。
stomata 是 stoma 的复数形式，而 stomate 的复数可以是 stomates 或 stomata。
stomatic 是形容词，意为‘与气孔有关的’，而 stomate 是名词，指气孔本身。
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