英德
有道
百度
谷歌
图片
维基
百科
根系 [gēn xì]
{植} root system
radication descending axis
radication descending axis
- 水被牢牢地吸住以至于不能被大多数植物根系吸收。
Water is held so tenaciously that most plant root systems cannot absorb it. - 摘要介绍了近年来植物根系对土壤侵蚀控制机理的研究进展。
The research progress of plant roots on soil erosion control in recent years is reviewed. - 白天蒸腾作用散失的水分超过根系吸收的水分，因而叶子的水势就下降。
During the day water loss by transpiration exceeds water absorption by the roots, and leaf water potential decline.
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