plant roots system

• 植物根系

plant roots system的用法和样例：

例句

1. Water is held so tenaciously that most plant root systems cannot absorb it.
   水被牢牢地吸住以至于不能被大多数植物根系吸收。
2. The abstraction of elements from soil water by plant roots can have a marked effect on chemical reaction rates.
   植物根系从土壤水中摄取养分元素能对化学反应速率产生显著的影响。