stoma
英 ['st??m?]
美['stom?]
- n. [植] 氣孔；葉孔；[昆] 呼吸孔
暢通詞匯
詞態(tài)變化
復(fù)數(shù):?stomas;? stomata;
中文詞源
stoma 氣孔，呼吸孔
來自希臘語 stoma,嘴，口，孔，說話，聲音，來自 PIE*stomen,嘴，口，詞源同 stomach.引 申詞義氣孔，呼吸孔等。
英文詞源
- stoma (n.)
- "orifice, small opening in an animal body," 1680s, Modern Latin, from Greek stoma (genitive stomatos) "mouth; mouthpiece; talk, voice; mouth of a river; any outlet or inlet," from PIE root *stom-en-, denoting various body parts and orifices (cognates: Avestan staman- "mouth" (of a dog), Hittite shtamar "mouth," Middle Breton staffn "mouth, jawbone," Cornish stefenic "palate"). Surgical sense is attested from 1937.
雙語例句
- 1. Observe stoma site for bleeding, crust, irritation, and broken skin.
- 觀察出口有無出血, 結(jié)痂, 發(fā)炎及破皮.
來自辭典例句
- 2. Oxygen and carbon dioxide from the air enter through the stoma.
- 氧和二氧化碳從空氣中進(jìn)入氣孔.
來自辭典例句
- 3. Skin care to prevent excoriation around the stoma consists of keeping the skin clean and dry.
- 皮膚護(hù)理對要預(yù)防造口周圍擦傷,要經(jīng)常保持皮膚的清潔及干燥.
來自辭典例句
- 4. The stoma and guard cells are collectively called the stomatal apparatus.
- 臨近保衛(wèi)細(xì)胞處常存在變形了的表皮細(xì)胞,被稱為副衛(wèi)細(xì)胞.
來自互聯(lián)網(wǎng)
- 5. The stoma characters of both tetraploid and diploid Anthuriums were comparatively investigated.
- 對紅掌四倍體和二倍體材料的氣孔特征進(jìn)行了研究.
來自互聯(lián)網(wǎng)