roots

过去式：

动词过去式: rooted

更多词形：

名词: rooter | 动词过去式: rooted | 动词过去分词: rooted | 动词现在分词: rooting | 动词第三人称单数: roots |

单词例句：

We must attack the trouble at its roots.

我们应该从毛病的根子上开刀。

A pig roots for acorns with its nose.

猪以鼻挖泥土寻找橡子。

They digs in moist soil and feeds on plant roots.

它们在潮湿的泥土中钻洞，吃植物的根部。

We pulled up the weeds by the roots.

我们把草连根拔起。

Mammals damage orchards on every continent by girdling roots.

哺乳动物在各地对种子园的危害是咬断根系。

Let' s pull up these plants by the roots.

让我们把这些植物连根拨起。

Some quadratic equations have no real roots.

某些二次方程没有实数根。

The tornado pulled up the old tree by its roots.

龙卷风把那根古树连根拔起。

Hope is the root of hopeful.

hope是hopeful的字根。