气孔 (qì kǒng) — (botany) stoma; stomatal pore; (zoology) spiracle (respiratory opening in insects, fish, etc.); (general) pore; air hole (in metals, minerals, or other materials)
Definition
A specialized 'air pore' in biology and materials: stomata on plant leaves for gas exchange, spiracles on insects/fish for breathing, or small holes in metals and minerals.
noun
(botany) stomastomatal pore(zoology) spiracle (respiratory opening in insects, fish, etc.)(general) poreair hole (in metals, minerals, or other materials)
Measure word · 个
Examples
- 气孔，。Zhí wù de yè piàn shàng yǒu xǔ duō qì kǒng, yòng lái jiāo huàn qì tǐ.Plant leaves have many stomata for gas exchange.
- 气孔。Kūn chóng tōng guò shēn tǐ liǎng cè de qì kǒng hū xī.Insects breathe through spiracles on the sides of their bodies.
- 气孔。Zhè kuài jīn shǔ biǎo miàn yǒu hěn duō xì xiǎo de qì kǒng.The surface of this metal has many tiny pores.
Appears in
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