以 r 开头的英文单词有:real、root、red、rest、risk、rabbi、rabbit、 rabble、rabid、rabies。
root的意思：作名词有根；根茎；根状物；根部；根源；原因；根本；基础；核心；起源的意思，作动词有使生根，扎根；使（思想、信仰、感情等）扎根，使牢固树立；根除，铲除，根绝；起源于；起因于的意思。
双语释义：
1、根；根茎。The roots of a plant are the parts of it that grow under the ground.
2、 使生根成长。If you root a plant or cutting or if it roots, roots form on the bottom of its stem and it starts to grow.
3、蔬菜、作物等块根的，根茎可食用的。Root vegetables or root crops are grown for their roots which are large and can be eaten.
4、根脉；祖籍；血统；根基。You can refer to the place or culture that a person or their family comes from as their roots .
5、问题、困境等的根源，起因，祸根。You can refer to the cause of a problem or of an unpleasant situation as the root of it or the roots of it.
双语例句：
1、The square root of 64 is 8. 64的平方根是8。
2、The fence posts took root and grew into the earth! 篱笆生了根，长在了地里。
3、We have to get to the root of the problem. 我们必须找到问题的根源。
4、What would you say was the root cause of the problem? 你认为问题的根源是什么？
5、The government set out to destroy the organization root and branch. 政府着手完全彻底地摧毁这个组织。