很常使用。在柯林斯辞典中， root 是4千个最常用词之一。
英式英语: root /ruːt/ NOUN
The roots of a plant are the parts that grow underground.
...the twisted roots of an apple tree.
英式英语: root ADJECTIVE
Root vegetables or root crops are grown for their roots which are large and can be eaten.
...root crops such as carrots and potatoes.
英式英语: root VERB
plant If you root a plant or cutting or if it roots, roots form on the bottom of its stem and it starts to grow.
Most plants will root in about six to eight weeks.
英式英语: root VERB
search If you root through or in something, you search for something by moving other things around.
She rooted through the bag, found what she wanted, and headed toward the door.
root 的定义—— 柯林斯 英语词典
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