the root sharp

• 根尖

the root sharp的用法和样例：

例句

1. The little boy stepped on a sharp thorn.
   那小男孩踩着了一根尖刺。
2. The micronucleus and abnormal division in Allium sativum root tips induced by polluted river water were investigated.
   研究污染的河水对大蒜根尖细胞微核的诱导及细胞分裂的效应。