iterate|iterated

我们需要多次迭代这个算法以提高其准确性。

We need to ___iterate this algorithm several times to improve its accuracy.

他反复强调这一点，直到每个人都明白。

He ___iterated the point until everyone understood.

老师不得不反复强调这个语法规则，因为学生们总是忘记。

The teacher had to ___iterate the grammar rule repeatedly because the students kept forgetting it.