巨杉树的用途是什么?What is the purpose of the giant sequoia tree?它们和妈妈住在一堆沙丘里, 在一棵巨杉树的根下面.They lived with their mother in a sand - bank, underneath the root of a very big fir - tree....

“杉树的”的英语可以翻译为：firry ...