根子的英文：
origin; root; source
n. 起源；出身；原点；起端
a person with an original
有创作头脑的人
It was edited from the original text.
这是根据原文本编译的。
a Spanish rendering of the original Arabic
阿拉伯文的西班牙文译文.
n. 根；根源；根基；词根；祖先
v. 生根；根源在于，来源于
nematode damage to the soybean roots is characterized by coarse roots
线虫破坏大豆根系的特征是:根系粗糙。
These plants have very deep roots.
这些植物的根长得很深。
Hope is the root of hopeful.
hope是hopeful的词根。
n. 来源，出处；原始资料；原因；发源地
They are trying to trace the source of the trouble.
他们正设法找出这件麻烦事的起因。
Where is the source of the Nile?
尼罗河发源于何处？
Is the water polluted at source?
河水是在源头受到污染的吗？