stoma

常见例句

The band is tied round the top of the stomach creating a stoma (small pouch).
束带被围绕在胃的上部，并由此形成了一个类似荷包的囊袋和通向胃的小孔。
A stoma is an opening through which carbon dioxide goes in and oxygen and water vapor escape.
气孔是二氧化碳进入而氧气和水蒸气逸出的开口。
Combined surveying stoma types of dicotyledonous plants survey of bacteria pollution in the air, investigating learning ways and routes were explored in biological scientific movements.
结合《双子叶植物气孔类型观察》和《空气中细菌污染的监测》活动项目，探索生物科技活动中研究性学习的方法和途径。