The teacher asked us to learn the poem by heart.

老师让我们背诵那首诗。

youdao

It 's very difficult for the children to learn the poem by heart.

对孩子们来说背诵那首诗很困难。

youdao

It 's very difficult for the children to learn the poem by heart.

对孩子们来说背诵那首诗很困难。

youdao