root hair

音标发音

• 英式音标 [ˈruːt ˌheər]
• 美式音标 [ˈruːt ˌher]
• 英式发音
• 美式发音

基本解释

• [植] 根毛

同根派生

英汉例句

双语例句

• But the more vacuolation of epidermis and cortex appeared in root-hair region.
  但表皮和皮层细胞直到根毛区才高度液泡化。
• For root traits, 4 types of mutative traits including shorter root, larger root, non-hair root, and gravity-insensitive root were found.
  根系性状出现短小根、发达根、无侧根和弱向地性等4种变异类型；
• I guess it’s for this reason that I love the Crown Pop-up sink stopper idea; the exposed top end stays clean while the root-ish tail end catches the hair and goop.
  我想这也许是我为什么这么喜欢这款下水漏的原因吧。 你看，暴露在外的上表面一直很干净而下面的像根一样的尾巴就会把头发截留下来了。

原声例句

• At the base of the hair root is a small ball-like formation called a bulb.

权威例句

• Because despite all the hair-pulling, Kotkin and Florida both presume to be arguing, at root, about facts.
  FORBES: Suburbia Vs. Gentrification: The Hipster Wars Heat Up

词组短语

短语

• Root -hair attachment 根毛吸附
• root -hair region [植]根毛区
• Leakage root of hair 透毛皮
• root of hair 翻译;毛根
• Organic Root Stimulator Hair Fertilizer 有机根刺激头发肥料

英英字典

剑桥英英字典

• a thin part like a hair that grows from the roots of plants and takes in water and food

柯林斯英英字典

• any of the hollow hairlike outgrowths of the outer cells of a root, just behind the tip, that absorb water and salts from the soil

专业释义

农业科学

• 根毛

  The number of the root hair of the legume had no close relation to the nodulation.
  2．根毛的多少与豆科植物是否结瘤没有十分密切的关系。

  生物学

• 根毛

  The Rhizobium lipochitooligosaccharide nod factors are external signals which elicit various physiological responses on the roots of host plants, such as root hair cells deforming, cortical cells redividing to form nodule primodium.
  结瘤因子是根瘤菌分泌的寡糖，它作为外在信号，诱发宿主植物根部各种生理反应，引起根毛变形，诱导皮层细胞分裂，形成根瘤原基。