Word
stomata
气孔
stomata is the plural of stoma.
a tiny pore in a plant's leaf or stem through which gases and water vapor pass
- 1.
One of the tiny pores in the epidermis of a leaf or stem through which gases and water vapor pass.
叶子或茎表皮上的小孔,气体和水蒸气通过
- 2.
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
叶子或茎上的微小表皮孔,气体和水蒸气可以通过
- 3.
A small opening in a membrane; a surgically constructed opening, especially one in the abdominal wall that permits the passage of waste after a colostomy or ileostomy; an artificial anus.
膜上的小开口；尤其是手术构造的开口,如结肠造口术或回肠造口术后的废物排出口；人工肛门
- 4.
a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
口或类似口的开口(尤其是通过手术在身体表面创建的通向内部器官的开口)
- 5.
A mouthlike opening, such as the oral cavity of a nematode.
类似口的开口,如线虫的口腔
叶子或茎表皮上的小孔,气体和水蒸气通过；叶子或茎上的微小表皮孔,气体和水蒸气可以通过；膜上的小开口；尤其是手术构造的开口,如结肠造口术或回肠造口术后的废物排出口；人工肛门；口或类似口的开口(尤其是通过手术在身体表面创建的通向内部器官的开口)；类似口的开口,如线虫的口腔
In use
Under the microscope, we could see a single stoma surrounded by two guard cells.
The plant closes its stomata at night to reduce water loss.
Carbon dioxide enters the leaf through a stoma on the underside.
the stoma
特指已知或唯一的气孔。
The stoma regulates gas exchange in the leaf.
气孔调节叶片中的气体交换。
a stoma
首次提及或泛指。
A stoma is a tiny pore in the leaf surface.
气孔是叶片表面的微小小孔。
through the stoma
表示气体或水蒸气的路径。
Water vapor exits through the stoma.
Connections
Learner notes
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.