是关于老人与海原版小说的
题目
是关于老人与海原版小说的
budshields
答案
网上这么解释的：
Regarding "budshields," "the growing point of the palm [from which all leaves originate] . . . is often called the bud or heart." The leaves or fronds that grow from it are called "budshields" and are used as building material in poverty-stricken areas in the Caribbean.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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