单词 | root hair |
释义 | root hair (once / 256942 pages) n WORD FAMILY root hair: root hairs USAGE EXAMPLESHis white hair was fine and thin as root hair and long enough to brush against the earthen floor. George R. R. Martin, A Dance with Dragons(2011) Small structures called root hairs grow out from the root, coming into contact with the climbing surface. BBC(May 28, 2010) Seedling Maple, of the natural size; the root well supplied with root hairs, here large enough to be seen by the naked eye. Gray, Asa, The Elements of Botany—For Beginner...(2010) n thin hairlike outgrowth of an epidermal cell just behind the tip; absorbs nutrients from the soil Hyper plant organ a functional and structural unit of a plant or fungus |
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