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)
Zähleinheitswort · 个
Beispiele
- 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.
Erscheint in
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