root/ruːt/

n

1. C (植物等的)根；根茎，地下茎

• The gale pulled up the tree by the roots. 大风把树连根拔起。

• The root of a flower is as delicate as its petals are. 花的根同它的花瓣一样娇弱。

2. C 根源，症结所在，主要原因

• We finally got to the root of the problem after one hour's discussion. 经过一小时的讨论，我们终于找到了问题的根源。

3. [～s] (风俗等的)起源，源泉

• Jazz has its roots in the folk songs of the southern states of the US. 爵士乐源于美国南部各州的民谣。

4. C，常用单 (思想等的)实质，核心

• the root of liberalism 自由主义的核心

5. [～s] 祖先

• The girl has come to the Mainland in search of her roots. 那个女孩来大陆寻根。

6. C 发根，齿根，舌根

7. C 【语】 词根

8. C 【数】 方根；根

• 2 is the fourth root of 16. 2是16的4次方根。

• In the equation x2+2x-3=0, 1 and -3 are the roots. 1和－3是x2+2x－3=0这个方程式的根。

词组root and branch 彻底地，全部地 take root

1. (思想等)为人所接受，扎根

2. (植物等)生根，长出根来