早晨的花园里，嘲鸫在枝头模仿着知更鸟的歌声。

In the morning garden, the ___mockingbirds perched on branches, mimicking robins' songs.

这些学生像模仿鸟一样，能完美地重复老师说的每一句话。

The students were just like ___mockingbirds, perfectly repeating every word the teacher said.