antiderivative
n. 不定积分;反式衍生物
例句
The indefinite integral is an antiderivative.
不定积分是反导数。
You're not really asking whether it has an antiderivative, but whether you know the name of that function.
所以这道题真正问的并不是“此函数是否有不定积分”,而是“你是否知道此函数的名称”。